20668590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7919}}^1$

素因数の和:7961

約数の個数: 48

約数和(自身を含む): 55598400

約数和(自身を除く): 34929810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7919, 15838, 23757, 39595, 47514, 71271, 79190, 118785, 142542, 229651, 237570, 356355, 459302, 688953, 712710, 1148255, 1377906, 2066859, 2296510, 3444765, 4133718, 6889530, 10334295, 20668590]

約数ペア:

[(1, 20668590), (2, 10334295), (3, 6889530), (5, 4133718), (6, 3444765), (9, 2296510), (10, 2066859), (15, 1377906), (18, 1148255), (29, 712710), (30, 688953), (45, 459302), (58, 356355), (87, 237570), (90, 229651), (145, 142542), (174, 118785), (261, 79190), (290, 71271), (435, 47514), (522, 39595), (870, 23757), (1305, 15838), (2610, 7919)]