20830140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3733}}^1$

素因数の和:3779

約数の個数: 72

約数和(自身を含む): 65240448

約数和(自身を除く): 44410308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3733, 5580, 7466, 11199, 14932, 18665, 22398, 33597, 37330, 44796, 55995, 67194, 74660, 111990, 115723, 134388, 167985, 223980, 231446, 335970, 347169, 462892, 578615, 671940, 694338, 1041507, 1157230, 1388676, 1735845, 2083014, 2314460, 3471690, 4166028, 5207535, 6943380, 10415070, 20830140]

約数ペア:

[(1, 20830140), (2, 10415070), (3, 6943380), (4, 5207535), (5, 4166028), (6, 3471690), (9, 2314460), (10, 2083014), (12, 1735845), (15, 1388676), (18, 1157230), (20, 1041507), (30, 694338), (31, 671940), (36, 578615), (45, 462892), (60, 347169), (62, 335970), (90, 231446), (93, 223980), (124, 167985), (155, 134388), (180, 115723), (186, 111990), (279, 74660), (310, 67194), (372, 55995), (465, 44796), (558, 37330), (620, 33597), (930, 22398), (1116, 18665), (1395, 14932), (1860, 11199), (2790, 7466), (3733, 5580)]