20996870408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{23311}}^1$

素因数の和:23550

約数の個数: 64

約数和(自身を含む): 43052601600

約数和(自身を除く): 22055731192

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 179, 296, 358, 629, 716, 1258, 1432, 2516, 3043, 5032, 6086, 6623, 12172, 13246, 23311, 24344, 26492, 46622, 52984, 93244, 112591, 186488, 225182, 396287, 450364, 792574, 862507, 900728, 1585148, 1725014, 3170296, 3450028, 4172669, 6900056, 8345338, 14662619, 16690676, 29325238, 33381352, 58650476, 70935373, 117300952, 141870746, 154388753, 283741492, 308777506, 567482984, 617555012, 1235110024, 2624608801, 5249217602, 10498435204, 20996870408]

約数ペア:

[(1, 20996870408), (2, 10498435204), (4, 5249217602), (8, 2624608801), (17, 1235110024), (34, 617555012), (37, 567482984), (68, 308777506), (74, 283741492), (136, 154388753), (148, 141870746), (179, 117300952), (296, 70935373), (358, 58650476), (629, 33381352), (716, 29325238), (1258, 16690676), (1432, 14662619), (2516, 8345338), (3043, 6900056), (5032, 4172669), (6086, 3450028), (6623, 3170296), (12172, 1725014), (13246, 1585148), (23311, 900728), (24344, 862507), (26492, 792574), (46622, 450364), (52984, 396287), (93244, 225182), (112591, 186488)]