20105354944

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{870211}}^1$

素因数の和:870261

約数の個数: 42

約数和(自身を含む): 42106948044

約数和(自身を除く): 22001593100

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 1216, 1444, 2888, 5776, 11552, 23104, 870211, 1740422, 3480844, 6961688, 13923376, 16534009, 27846752, 33068018, 55693504, 66136036, 132272072, 264544144, 314146171, 529088288, 628292342, 1058176576, 1256584684, 2513169368, 5026338736, 10052677472, 20105354944]

約数ペア:

[(1, 20105354944), (2, 10052677472), (4, 5026338736), (8, 2513169368), (16, 1256584684), (19, 1058176576), (32, 628292342), (38, 529088288), (64, 314146171), (76, 264544144), (152, 132272072), (304, 66136036), (361, 55693504), (608, 33068018), (722, 27846752), (1216, 16534009), (1444, 13923376), (2888, 6961688), (5776, 3480844), (11552, 1740422), (23104, 870211)]