20233645480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{941}}^1$

素因数の和:1379

約数の個数: 128

約数和(自身を含む): 48882113280

約数和(自身を除く): 28648467800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 103, 136, 170, 206, 307, 340, 412, 515, 614, 680, 824, 941, 1030, 1228, 1535, 1751, 1882, 2060, 2456, 3070, 3502, 3764, 4120, 4705, 5219, 6140, 7004, 7528, 8755, 9410, 10438, 12280, 14008, 15997, 17510, 18820, 20876, 26095, 31621, 31994, 35020, 37640, 41752, 52190, 63242, 63988, 70040, 79985, 96923, 104380, 126484, 127976, 158105, 159970, 193846, 208760, 252968, 288887, 316210, 319940, 387692, 484615, 537557, 577774, 632420, 639880, 775384, 969230, 1075114, 1155548, 1264840, 1444435, 1647691, 1938460, 2150228, 2311096, 2687785, 2888870, 3295382, 3876920, 4300456, 4911079, 5375570, 5777740, 6590764, 8238455, 9822158, 10751140, 11555480, 13181528, 16476910, 19644316, 21502280, 24555395, 29755361, 32953820, 39288632, 49110790, 59510722, 65907640, 98221580, 119021444, 148776805, 196443160, 238042888, 297553610, 505841137, 595107220, 1011682274, 1190214440, 2023364548, 2529205685, 4046729096, 5058411370, 10116822740, 20233645480]

約数ペア:

[(1, 20233645480), (2, 10116822740), (4, 5058411370), (5, 4046729096), (8, 2529205685), (10, 2023364548), (17, 1190214440), (20, 1011682274), (34, 595107220), (40, 505841137), (68, 297553610), (85, 238042888), (103, 196443160), (136, 148776805), (170, 119021444), (206, 98221580), (307, 65907640), (340, 59510722), (412, 49110790), (515, 39288632), (614, 32953820), (680, 29755361), (824, 24555395), (941, 21502280), (1030, 19644316), (1228, 16476910), (1535, 13181528), (1751, 11555480), (1882, 10751140), (2060, 9822158), (2456, 8238455), (3070, 6590764), (3502, 5777740), (3764, 5375570), (4120, 4911079), (4705, 4300456), (5219, 3876920), (6140, 3295382), (7004, 2888870), (7528, 2687785), (8755, 2311096), (9410, 2150228), (10438, 1938460), (12280, 1647691), (14008, 1444435), (15997, 1264840), (17510, 1155548), (18820, 1075114), (20876, 969230), (26095, 775384), (31621, 639880), (31994, 632420), (35020, 577774), (37640, 537557), (41752, 484615), (52190, 387692), (63242, 319940), (63988, 316210), (70040, 288887), (79985, 252968), (96923, 208760), (104380, 193846), (126484, 159970), (127976, 158105)]