20104243400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 192

約数和(自身を含む): 49084358400

約数和(自身を除く): 28980115000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 83, 100, 109, 164, 166, 200, 205, 218, 271, 328, 332, 410, 415, 436, 542, 545, 664, 820, 830, 872, 1025, 1084, 1090, 1355, 1640, 1660, 2050, 2075, 2168, 2180, 2710, 2725, 3320, 3403, 4100, 4150, 4360, 4469, 5420, 5450, 6775, 6806, 8200, 8300, 8938, 9047, 10840, 10900, 11111, 13550, 13612, 16600, 17015, 17876, 18094, 21800, 22222, 22345, 22493, 27100, 27224, 29539, 34030, 35752, 36188, 44444, 44690, 44986, 45235, 54200, 55555, 59078, 68060, 72376, 85075, 88888, 89380, 89972, 90470, 111110, 111725, 112465, 118156, 136120, 147695, 170150, 178760, 179944, 180940, 222220, 223450, 224930, 226175, 236312, 277775, 295390, 340300, 361880, 370927, 444440, 446900, 449860, 452350, 555550, 562325, 590780, 680600, 738475, 741854, 893800, 899720, 904700, 922213, 1111100, 1124650, 1181560, 1211099, 1476950, 1483708, 1809400, 1844426, 1854635, 2222200, 2249300, 2422198, 2451737, 2953900, 2967416, 3688852, 3709270, 4498600, 4611065, 4844396, 4903474, 5907800, 6055495, 7377704, 7418540, 9222130, 9273175, 9688792, 9806948, 12110990, 12258685, 14837080, 18444260, 18546350, 19613896, 23055325, 24221980, 24517370, 30277475, 36888520, 37092700, 46110650, 48443960, 49034740, 60554950, 61293425, 74185400, 92221300, 98069480, 100521217, 121109900, 122586850, 184442600, 201042434, 242219800, 245173700, 402084868, 490347400, 502606085, 804169736, 1005212170, 2010424340, 2513030425, 4020848680, 5026060850, 10052121700, 20104243400]

約数ペア:

[(1, 20104243400), (2, 10052121700), (4, 5026060850), (5, 4020848680), (8, 2513030425), (10, 2010424340), (20, 1005212170), (25, 804169736), (40, 502606085), (41, 490347400), (50, 402084868), (82, 245173700), (83, 242219800), (100, 201042434), (109, 184442600), (164, 122586850), (166, 121109900), (200, 100521217), (205, 98069480), (218, 92221300), (271, 74185400), (328, 61293425), (332, 60554950), (410, 49034740), (415, 48443960), (436, 46110650), (542, 37092700), (545, 36888520), (664, 30277475), (820, 24517370), (830, 24221980), (872, 23055325), (1025, 19613896), (1084, 18546350), (1090, 18444260), (1355, 14837080), (1640, 12258685), (1660, 12110990), (2050, 9806948), (2075, 9688792), (2168, 9273175), (2180, 9222130), (2710, 7418540), (2725, 7377704), (3320, 6055495), (3403, 5907800), (4100, 4903474), (4150, 4844396), (4360, 4611065), (4469, 4498600), (5420, 3709270), (5450, 3688852), (6775, 2967416), (6806, 2953900), (8200, 2451737), (8300, 2422198), (8938, 2249300), (9047, 2222200), (10840, 1854635), (10900, 1844426), (11111, 1809400), (13550, 1483708), (13612, 1476950), (16600, 1211099), (17015, 1181560), (17876, 1124650), (18094, 1111100), (21800, 922213), (22222, 904700), (22345, 899720), (22493, 893800), (27100, 741854), (27224, 738475), (29539, 680600), (34030, 590780), (35752, 562325), (36188, 555550), (44444, 452350), (44690, 449860), (44986, 446900), (45235, 444440), (54200, 370927), (55555, 361880), (59078, 340300), (68060, 295390), (72376, 277775), (85075, 236312), (88888, 226175), (89380, 224930), (89972, 223450), (90470, 222220), (111110, 180940), (111725, 179944), (112465, 178760), (118156, 170150), (136120, 147695)]