20394930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 50761728

約数和(自身を除く): 30366798

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 101, 106, 127, 159, 202, 254, 265, 303, 318, 381, 505, 530, 606, 635, 762, 795, 1010, 1270, 1515, 1590, 1905, 3030, 3810, 5353, 6731, 10706, 12827, 13462, 16059, 20193, 25654, 26765, 32118, 33655, 38481, 40386, 53530, 64135, 67310, 76962, 80295, 100965, 128270, 160590, 192405, 201930, 384810, 679831, 1359662, 2039493, 3399155, 4078986, 6798310, 10197465, 20394930]

約数ペア:

[(1, 20394930), (2, 10197465), (3, 6798310), (5, 4078986), (6, 3399155), (10, 2039493), (15, 1359662), (30, 679831), (53, 384810), (101, 201930), (106, 192405), (127, 160590), (159, 128270), (202, 100965), (254, 80295), (265, 76962), (303, 67310), (318, 64135), (381, 53530), (505, 40386), (530, 38481), (606, 33655), (635, 32118), (762, 26765), (795, 25654), (1010, 20193), (1270, 16059), (1515, 13462), (1590, 12827), (1905, 10706), (3030, 6731), (3810, 5353)]