20992530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2833}}^1$

素因数の和:2875

約数の個数: 64

約数和(自身を含む): 57133440

約数和(自身を除く): 36140910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2833, 3705, 5666, 7410, 8499, 14165, 16998, 28330, 36829, 42495, 53827, 73658, 84990, 107654, 110487, 161481, 184145, 220974, 269135, 322962, 368290, 538270, 552435, 699751, 807405, 1104870, 1399502, 1614810, 2099253, 3498755, 4198506, 6997510, 10496265, 20992530]

約数ペア:

[(1, 20992530), (2, 10496265), (3, 6997510), (5, 4198506), (6, 3498755), (10, 2099253), (13, 1614810), (15, 1399502), (19, 1104870), (26, 807405), (30, 699751), (38, 552435), (39, 538270), (57, 368290), (65, 322962), (78, 269135), (95, 220974), (114, 184145), (130, 161481), (190, 110487), (195, 107654), (247, 84990), (285, 73658), (390, 53827), (494, 42495), (570, 36829), (741, 28330), (1235, 16998), (1482, 14165), (2470, 8499), (2833, 7410), (3705, 5666)]