20094970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 25005830

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 58, 70, 95, 133, 145, 190, 203, 266, 290, 406, 521, 551, 665, 1015, 1042, 1102, 1330, 2030, 2605, 2755, 3647, 3857, 5210, 5510, 7294, 7714, 9899, 15109, 18235, 19285, 19798, 30218, 36470, 38570, 49495, 69293, 75545, 98990, 105763, 138586, 151090, 211526, 287071, 346465, 528815, 574142, 692930, 1057630, 1435355, 2009497, 2870710, 4018994, 10047485, 20094970]

約数ペア:

[(1, 20094970), (2, 10047485), (5, 4018994), (7, 2870710), (10, 2009497), (14, 1435355), (19, 1057630), (29, 692930), (35, 574142), (38, 528815), (58, 346465), (70, 287071), (95, 211526), (133, 151090), (145, 138586), (190, 105763), (203, 98990), (266, 75545), (290, 69293), (406, 49495), (521, 38570), (551, 36470), (665, 30218), (1015, 19798), (1042, 19285), (1102, 18235), (1330, 15109), (2030, 9899), (2605, 7714), (2755, 7294), (3647, 5510), (3857, 5210)]