20691060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:713

約数の個数: 96

約数和(自身を含む): 64012032

約数和(自身を除く): 43320972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 615, 647, 780, 820, 1066, 1230, 1294, 1599, 1941, 2132, 2460, 2588, 2665, 3198, 3235, 3882, 5330, 6396, 6470, 7764, 7995, 8411, 9705, 10660, 12940, 15990, 16822, 19410, 25233, 26527, 31980, 33644, 38820, 42055, 50466, 53054, 79581, 84110, 100932, 106108, 126165, 132635, 159162, 168220, 252330, 265270, 318324, 344851, 397905, 504660, 530540, 689702, 795810, 1034553, 1379404, 1591620, 1724255, 2069106, 3448510, 4138212, 5172765, 6897020, 10345530, 20691060]

約数ペア:

[(1, 20691060), (2, 10345530), (3, 6897020), (4, 5172765), (5, 4138212), (6, 3448510), (10, 2069106), (12, 1724255), (13, 1591620), (15, 1379404), (20, 1034553), (26, 795810), (30, 689702), (39, 530540), (41, 504660), (52, 397905), (60, 344851), (65, 318324), (78, 265270), (82, 252330), (123, 168220), (130, 159162), (156, 132635), (164, 126165), (195, 106108), (205, 100932), (246, 84110), (260, 79581), (390, 53054), (410, 50466), (492, 42055), (533, 38820), (615, 33644), (647, 31980), (780, 26527), (820, 25233), (1066, 19410), (1230, 16822), (1294, 15990), (1599, 12940), (1941, 10660), (2132, 9705), (2460, 8411), (2588, 7995), (2665, 7764), (3198, 6470), (3235, 6396), (3882, 5330)]