20246460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 61895232

約数和(自身を除く): 41648772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 101, 130, 156, 195, 202, 257, 260, 303, 390, 404, 505, 514, 606, 771, 780, 1010, 1028, 1212, 1285, 1313, 1515, 1542, 2020, 2570, 2626, 3030, 3084, 3341, 3855, 3939, 5140, 5252, 6060, 6565, 6682, 7710, 7878, 10023, 13130, 13364, 15420, 15756, 16705, 19695, 20046, 25957, 26260, 33410, 39390, 40092, 50115, 51914, 66820, 77871, 78780, 100230, 103828, 129785, 155742, 200460, 259570, 311484, 337441, 389355, 519140, 674882, 778710, 1012323, 1349764, 1557420, 1687205, 2024646, 3374410, 4049292, 5061615, 6748820, 10123230, 20246460]

約数ペア:

[(1, 20246460), (2, 10123230), (3, 6748820), (4, 5061615), (5, 4049292), (6, 3374410), (10, 2024646), (12, 1687205), (13, 1557420), (15, 1349764), (20, 1012323), (26, 778710), (30, 674882), (39, 519140), (52, 389355), (60, 337441), (65, 311484), (78, 259570), (101, 200460), (130, 155742), (156, 129785), (195, 103828), (202, 100230), (257, 78780), (260, 77871), (303, 66820), (390, 51914), (404, 50115), (505, 40092), (514, 39390), (606, 33410), (771, 26260), (780, 25957), (1010, 20046), (1028, 19695), (1212, 16705), (1285, 15756), (1313, 15420), (1515, 13364), (1542, 13130), (2020, 10023), (2570, 7878), (2626, 7710), (3030, 6682), (3084, 6565), (3341, 6060), (3855, 5252), (3939, 5140)]