20796360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13331}}^1$

素因数の和:13358

約数の個数: 64

約数和(自身を含む): 67193280

約数和(自身を除く): 46396920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13331, 26662, 39993, 53324, 66655, 79986, 106648, 133310, 159972, 173303, 199965, 266620, 319944, 346606, 399930, 519909, 533240, 693212, 799860, 866515, 1039818, 1386424, 1599720, 1733030, 2079636, 2599545, 3466060, 4159272, 5199090, 6932120, 10398180, 20796360]

約数ペア:

[(1, 20796360), (2, 10398180), (3, 6932120), (4, 5199090), (5, 4159272), (6, 3466060), (8, 2599545), (10, 2079636), (12, 1733030), (13, 1599720), (15, 1386424), (20, 1039818), (24, 866515), (26, 799860), (30, 693212), (39, 533240), (40, 519909), (52, 399930), (60, 346606), (65, 319944), (78, 266620), (104, 199965), (120, 173303), (130, 159972), (156, 133310), (195, 106648), (260, 79986), (312, 66655), (390, 53324), (520, 39993), (780, 26662), (1560, 13331)]