20170073920

素因数分解:

$2^6\times 5^1\times {\mathrm{3457}}^1\times {\mathrm{18233}}^1$

素因数の和:21707

約数の個数: 56

約数和(自身を含む): 48046517064

約数和(自身を除く): 27876443144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3457, 6914, 13828, 17285, 18233, 27656, 34570, 36466, 55312, 69140, 72932, 91165, 110624, 138280, 145864, 182330, 221248, 276560, 291728, 364660, 553120, 583456, 729320, 1106240, 1166912, 1458640, 2917280, 5834560, 63031481, 126062962, 252125924, 315157405, 504251848, 630314810, 1008503696, 1260629620, 2017007392, 2521259240, 4034014784, 5042518480, 10085036960, 20170073920]

約数ペア:

[(1, 20170073920), (2, 10085036960), (4, 5042518480), (5, 4034014784), (8, 2521259240), (10, 2017007392), (16, 1260629620), (20, 1008503696), (32, 630314810), (40, 504251848), (64, 315157405), (80, 252125924), (160, 126062962), (320, 63031481), (3457, 5834560), (6914, 2917280), (13828, 1458640), (17285, 1166912), (18233, 1106240), (27656, 729320), (34570, 583456), (36466, 553120), (55312, 364660), (69140, 291728), (72932, 276560), (91165, 221248), (110624, 182330), (138280, 145864)]