20126203520

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{293899}}^1$

素因数の和:294025

約数の個数: 64

約数和(自身を含む): 48564036000

約数和(自身を除く): 28437832480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 856, 1070, 1712, 2140, 3424, 4280, 6848, 8560, 13696, 17120, 34240, 68480, 293899, 587798, 1175596, 1469495, 2351192, 2938990, 4702384, 5877980, 9404768, 11755960, 18809536, 23511920, 31447193, 37619072, 47023840, 62894386, 94047680, 125788772, 157235965, 188095360, 251577544, 314471930, 503155088, 628943860, 1006310176, 1257887720, 2012620352, 2515775440, 4025240704, 5031550880, 10063101760, 20126203520]

約数ペア:

[(1, 20126203520), (2, 10063101760), (4, 5031550880), (5, 4025240704), (8, 2515775440), (10, 2012620352), (16, 1257887720), (20, 1006310176), (32, 628943860), (40, 503155088), (64, 314471930), (80, 251577544), (107, 188095360), (128, 157235965), (160, 125788772), (214, 94047680), (320, 62894386), (428, 47023840), (535, 37619072), (640, 31447193), (856, 23511920), (1070, 18809536), (1712, 11755960), (2140, 9404768), (3424, 5877980), (4280, 4702384), (6848, 2938990), (8560, 2351192), (13696, 1469495), (17120, 1175596), (34240, 587798), (68480, 293899)]