20199691524

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{641749}}^1$

素因数の和:641860

約数の個数: 48

約数和(自身を含む): 49019432000

約数和(自身を除く): 28819740476

約数列:

[1, 2, 3, 4, 6, 12, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 516, 732, 2623, 5246, 7869, 10492, 15738, 31476, 641749, 1283498, 1925247, 2566996, 3850494, 7700988, 27595207, 39146689, 55190414, 78293378, 82785621, 110380828, 117440067, 156586756, 165571242, 234880134, 331142484, 469760268, 1683307627, 3366615254, 5049922881, 6733230508, 10099845762, 20199691524]

約数ペア:

[(1, 20199691524), (2, 10099845762), (3, 6733230508), (4, 5049922881), (6, 3366615254), (12, 1683307627), (43, 469760268), (61, 331142484), (86, 234880134), (122, 165571242), (129, 156586756), (172, 117440067), (183, 110380828), (244, 82785621), (258, 78293378), (366, 55190414), (516, 39146689), (732, 27595207), (2623, 7700988), (5246, 3850494), (7869, 2566996), (10492, 1925247), (15738, 1283498), (31476, 641749)]