20809789620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1\times {\mathrm{8069}}^1$

素因数の和:8945

約数の個数: 96

約数和(自身を含む): 59447364480

約数和(自身を除く): 38637574860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 811, 1060, 1590, 1622, 2433, 3180, 3244, 4055, 4866, 8069, 8110, 9732, 12165, 16138, 16220, 24207, 24330, 32276, 40345, 42983, 48414, 48660, 80690, 85966, 96828, 121035, 128949, 161380, 171932, 214915, 242070, 257898, 427657, 429830, 484140, 515796, 644745, 855314, 859660, 1282971, 1289490, 1710628, 2138285, 2565942, 2578980, 4276570, 5131884, 6414855, 6543959, 8553140, 12829710, 13087918, 19631877, 25659420, 26175836, 32719795, 39263754, 65439590, 78527508, 98159385, 130879180, 196318770, 346829827, 392637540, 693659654, 1040489481, 1387319308, 1734149135, 2080978962, 3468298270, 4161957924, 5202447405, 6936596540, 10404894810, 20809789620]

約数ペア:

[(1, 20809789620), (2, 10404894810), (3, 6936596540), (4, 5202447405), (5, 4161957924), (6, 3468298270), (10, 2080978962), (12, 1734149135), (15, 1387319308), (20, 1040489481), (30, 693659654), (53, 392637540), (60, 346829827), (106, 196318770), (159, 130879180), (212, 98159385), (265, 78527508), (318, 65439590), (530, 39263754), (636, 32719795), (795, 26175836), (811, 25659420), (1060, 19631877), (1590, 13087918), (1622, 12829710), (2433, 8553140), (3180, 6543959), (3244, 6414855), (4055, 5131884), (4866, 4276570), (8069, 2578980), (8110, 2565942), (9732, 2138285), (12165, 1710628), (16138, 1289490), (16220, 1282971), (24207, 859660), (24330, 855314), (32276, 644745), (40345, 515796), (42983, 484140), (48414, 429830), (48660, 427657), (80690, 257898), (85966, 242070), (96828, 214915), (121035, 171932), (128949, 161380)]