20299050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 72

約数和(自身を含む): 55323840

約数和(自身を除く): 35024790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 79, 90, 150, 158, 225, 237, 395, 450, 474, 571, 711, 790, 1142, 1185, 1422, 1713, 1975, 2370, 2855, 3426, 3555, 3950, 5139, 5710, 5925, 7110, 8565, 10278, 11850, 14275, 17130, 17775, 25695, 28550, 35550, 42825, 45109, 51390, 85650, 90218, 128475, 135327, 225545, 256950, 270654, 405981, 451090, 676635, 811962, 1127725, 1353270, 2029905, 2255450, 3383175, 4059810, 6766350, 10149525, 20299050]

約数ペア:

[(1, 20299050), (2, 10149525), (3, 6766350), (5, 4059810), (6, 3383175), (9, 2255450), (10, 2029905), (15, 1353270), (18, 1127725), (25, 811962), (30, 676635), (45, 451090), (50, 405981), (75, 270654), (79, 256950), (90, 225545), (150, 135327), (158, 128475), (225, 90218), (237, 85650), (395, 51390), (450, 45109), (474, 42825), (571, 35550), (711, 28550), (790, 25695), (1142, 17775), (1185, 17130), (1422, 14275), (1713, 11850), (1975, 10278), (2370, 8565), (2855, 7110), (3426, 5925), (3555, 5710), (3950, 5139)]