20108270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1209

約数の個数: 64

約数和(自身を含む): 46932480

約数和(自身を除く): 26824210

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1163, 1235, 1330, 1729, 2326, 2470, 3458, 5815, 8141, 8645, 11630, 15119, 16282, 17290, 22097, 30238, 40705, 44194, 75595, 81410, 105833, 110485, 151190, 154679, 211666, 220970, 287261, 309358, 529165, 574522, 773395, 1058330, 1436305, 1546790, 2010827, 2872610, 4021654, 10054135, 20108270]

約数ペア:

[(1, 20108270), (2, 10054135), (5, 4021654), (7, 2872610), (10, 2010827), (13, 1546790), (14, 1436305), (19, 1058330), (26, 773395), (35, 574522), (38, 529165), (65, 309358), (70, 287261), (91, 220970), (95, 211666), (130, 154679), (133, 151190), (182, 110485), (190, 105833), (247, 81410), (266, 75595), (455, 44194), (494, 40705), (665, 30238), (910, 22097), (1163, 17290), (1235, 16282), (1330, 15119), (1729, 11630), (2326, 8645), (2470, 8141), (3458, 5815)]