20574780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2467}}^1$

素因数の和:2618

約数の個数: 48

約数和(自身を含む): 58047360

約数和(自身を除く): 37472580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2467, 2780, 4170, 4934, 7401, 8340, 9868, 12335, 14802, 24670, 29604, 37005, 49340, 74010, 148020, 342913, 685826, 1028739, 1371652, 1714565, 2057478, 3429130, 4114956, 5143695, 6858260, 10287390, 20574780]

約数ペア:

[(1, 20574780), (2, 10287390), (3, 6858260), (4, 5143695), (5, 4114956), (6, 3429130), (10, 2057478), (12, 1714565), (15, 1371652), (20, 1028739), (30, 685826), (60, 342913), (139, 148020), (278, 74010), (417, 49340), (556, 37005), (695, 29604), (834, 24670), (1390, 14802), (1668, 12335), (2085, 9868), (2467, 8340), (2780, 7401), (4170, 4934)]