20111285616520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{31739293}}^1$

素因数の和:31739415

約数の個数: 128

約数和(自身を含む): 54114226698240

約数和(自身を除く): 34002941081720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 73, 124, 140, 146, 155, 217, 248, 280, 292, 310, 365, 434, 511, 584, 620, 730, 868, 1022, 1085, 1240, 1460, 1736, 2044, 2170, 2263, 2555, 2920, 4088, 4340, 4526, 5110, 8680, 9052, 10220, 11315, 15841, 18104, 20440, 22630, 31682, 45260, 63364, 79205, 90520, 126728, 158410, 316820, 633640, 31739293, 63478586, 126957172, 158696465, 222175051, 253914344, 317392930, 444350102, 634785860, 888700204, 983918083, 1110875255, 1269571720, 1777400408, 1967836166, 2221750510, 2316968389, 3935672332, 4443501020, 4633936778, 4919590415, 6887426581, 7871344664, 8887002040, 9267873556, 9839180830, 11584841945, 13774853162, 16218778723, 18535747112, 19678361660, 23169683890, 27549706324, 32437557446, 34437132905, 39356723320, 46339367780, 55099412648, 64875114892, 68874265810, 71826020059, 81093893615, 92678735560, 129750229784, 137748531620, 143652040118, 162187787230, 275497063240, 287304080236, 324375574460, 359130100295, 502782140413, 574608160472, 648751148920, 718260200590, 1005564280826, 1436520401180, 2011128561652, 2513910702065, 2873040802360, 4022257123304, 5027821404130, 10055642808260, 20111285616520]

約数ペア:

[(1, 20111285616520), (2, 10055642808260), (4, 5027821404130), (5, 4022257123304), (7, 2873040802360), (8, 2513910702065), (10, 2011128561652), (14, 1436520401180), (20, 1005564280826), (28, 718260200590), (31, 648751148920), (35, 574608160472), (40, 502782140413), (56, 359130100295), (62, 324375574460), (70, 287304080236), (73, 275497063240), (124, 162187787230), (140, 143652040118), (146, 137748531620), (155, 129750229784), (217, 92678735560), (248, 81093893615), (280, 71826020059), (292, 68874265810), (310, 64875114892), (365, 55099412648), (434, 46339367780), (511, 39356723320), (584, 34437132905), (620, 32437557446), (730, 27549706324), (868, 23169683890), (1022, 19678361660), (1085, 18535747112), (1240, 16218778723), (1460, 13774853162), (1736, 11584841945), (2044, 9839180830), (2170, 9267873556), (2263, 8887002040), (2555, 7871344664), (2920, 6887426581), (4088, 4919590415), (4340, 4633936778), (4526, 4443501020), (5110, 3935672332), (8680, 2316968389), (9052, 2221750510), (10220, 1967836166), (11315, 1777400408), (15841, 1269571720), (18104, 1110875255), (20440, 983918083), (22630, 888700204), (31682, 634785860), (45260, 444350102), (63364, 317392930), (79205, 253914344), (90520, 222175051), (126728, 158696465), (158410, 126957172), (316820, 63478586), (633640, 31739293)]