20010892396

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{6421}}^1$

素因数の和:6631

約数の個数: 72

約数和(自身を含む): 39604114368

約数和(自身を除く): 19593221972

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 137, 188, 242, 274, 484, 517, 548, 1034, 1507, 2068, 3014, 5687, 6028, 6421, 6439, 11374, 12842, 12878, 16577, 22748, 25684, 25756, 33154, 66308, 70631, 70829, 141262, 141658, 282524, 283316, 301787, 603574, 776941, 779119, 879677, 1207148, 1553882, 1558238, 1759354, 3107764, 3116476, 3319657, 3518708, 6639314, 9676447, 13278628, 19352894, 36516227, 38705788, 41344819, 73032454, 82689638, 106440917, 146064908, 165379276, 212881834, 425763668, 454793009, 909586018, 1819172036, 5002723099, 10005446198, 20010892396]

約数ペア:

[(1, 20010892396), (2, 10005446198), (4, 5002723099), (11, 1819172036), (22, 909586018), (44, 454793009), (47, 425763668), (94, 212881834), (121, 165379276), (137, 146064908), (188, 106440917), (242, 82689638), (274, 73032454), (484, 41344819), (517, 38705788), (548, 36516227), (1034, 19352894), (1507, 13278628), (2068, 9676447), (3014, 6639314), (5687, 3518708), (6028, 3319657), (6421, 3116476), (6439, 3107764), (11374, 1759354), (12842, 1558238), (12878, 1553882), (16577, 1207148), (22748, 879677), (25684, 779119), (25756, 776941), (33154, 603574), (66308, 301787), (70631, 283316), (70829, 282524), (141262, 141658)]