20794020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 64012032

約数和(自身を除く): 43218012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 195, 212, 260, 265, 318, 390, 503, 530, 636, 689, 780, 795, 1006, 1060, 1378, 1509, 1590, 2012, 2067, 2515, 2756, 3018, 3180, 3445, 4134, 5030, 6036, 6539, 6890, 7545, 8268, 10060, 10335, 13078, 13780, 15090, 19617, 20670, 26156, 26659, 30180, 32695, 39234, 41340, 53318, 65390, 78468, 79977, 98085, 106636, 130780, 133295, 159954, 196170, 266590, 319908, 346567, 392340, 399885, 533180, 693134, 799770, 1039701, 1386268, 1599540, 1732835, 2079402, 3465670, 4158804, 5198505, 6931340, 10397010, 20794020]

約数ペア:

[(1, 20794020), (2, 10397010), (3, 6931340), (4, 5198505), (5, 4158804), (6, 3465670), (10, 2079402), (12, 1732835), (13, 1599540), (15, 1386268), (20, 1039701), (26, 799770), (30, 693134), (39, 533180), (52, 399885), (53, 392340), (60, 346567), (65, 319908), (78, 266590), (106, 196170), (130, 159954), (156, 133295), (159, 130780), (195, 106636), (212, 98085), (260, 79977), (265, 78468), (318, 65390), (390, 53318), (503, 41340), (530, 39234), (636, 32695), (689, 30180), (780, 26659), (795, 26156), (1006, 20670), (1060, 19617), (1378, 15090), (1509, 13780), (1590, 13078), (2012, 10335), (2067, 10060), (2515, 8268), (2756, 7545), (3018, 6890), (3180, 6539), (3445, 6036), (4134, 5030)]