20132580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 61979904

約数和(自身を除く): 41847324

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, 487, 530, 636, 689, 780, 795, 974, 1060, 1378, 1461, 1590, 1948, 2067, 2435, 2756, 2922, 3180, 3445, 4134, 4870, 5844, 6331, 6890, 7305, 8268, 9740, 10335, 12662, 13780, 14610, 18993, 20670, 25324, 25811, 29220, 31655, 37986, 41340, 51622, 63310, 75972, 77433, 94965, 103244, 126620, 129055, 154866, 189930, 258110, 309732, 335543, 379860, 387165, 516220, 671086, 774330, 1006629, 1342172, 1548660, 1677715, 2013258, 3355430, 4026516, 5033145, 6710860, 10066290, 20132580]

約数ペア:

[(1, 20132580), (2, 10066290), (3, 6710860), (4, 5033145), (5, 4026516), (6, 3355430), (10, 2013258), (12, 1677715), (13, 1548660), (15, 1342172), (20, 1006629), (26, 774330), (30, 671086), (39, 516220), (52, 387165), (53, 379860), (60, 335543), (65, 309732), (78, 258110), (106, 189930), (130, 154866), (156, 129055), (159, 126620), (195, 103244), (212, 94965), (260, 77433), (265, 75972), (318, 63310), (390, 51622), (487, 41340), (530, 37986), (636, 31655), (689, 29220), (780, 25811), (795, 25324), (974, 20670), (1060, 18993), (1378, 14610), (1461, 13780), (1590, 12662), (1948, 10335), (2067, 9740), (2435, 8268), (2756, 7305), (2922, 6890), (3180, 6331), (3445, 5844), (4134, 4870)]