20227788664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 40182624000

約数和(自身を除く): 19954835336

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 331, 409, 662, 818, 983, 1324, 1636, 1966, 2648, 3272, 3932, 6289, 7771, 7864, 12578, 15542, 18677, 25156, 31084, 37354, 50312, 62168, 74708, 135379, 149416, 270758, 325373, 402047, 541516, 650746, 804094, 1083032, 1301492, 1608188, 2572201, 2602984, 3216376, 5144402, 6182087, 7638893, 10288804, 12364174, 15277786, 20577608, 24728348, 30555572, 49456696, 61111144, 133077557, 266155114, 532310228, 1064620456, 2528473583, 5056947166, 10113894332, 20227788664]

約数ペア:

[(1, 20227788664), (2, 10113894332), (4, 5056947166), (8, 2528473583), (19, 1064620456), (38, 532310228), (76, 266155114), (152, 133077557), (331, 61111144), (409, 49456696), (662, 30555572), (818, 24728348), (983, 20577608), (1324, 15277786), (1636, 12364174), (1966, 10288804), (2648, 7638893), (3272, 6182087), (3932, 5144402), (6289, 3216376), (7771, 2602984), (7864, 2572201), (12578, 1608188), (15542, 1301492), (18677, 1083032), (25156, 804094), (31084, 650746), (37354, 541516), (50312, 402047), (62168, 325373), (74708, 270758), (135379, 149416)]