20702930140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{219823}}^1$

素因数の和:220126

約数の個数: 48

約数和(自身を含む): 46199970432

約数和(自身を除く): 25497040292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 277, 340, 554, 1108, 1385, 2770, 4709, 5540, 9418, 18836, 23545, 47090, 94180, 219823, 439646, 879292, 1099115, 2198230, 3736991, 4396460, 7473982, 14947964, 18684955, 37369910, 60890971, 74739820, 121781942, 243563884, 304454855, 608909710, 1035146507, 1217819420, 2070293014, 4140586028, 5175732535, 10351465070, 20702930140]

約数ペア:

[(1, 20702930140), (2, 10351465070), (4, 5175732535), (5, 4140586028), (10, 2070293014), (17, 1217819420), (20, 1035146507), (34, 608909710), (68, 304454855), (85, 243563884), (170, 121781942), (277, 74739820), (340, 60890971), (554, 37369910), (1108, 18684955), (1385, 14947964), (2770, 7473982), (4709, 4396460), (5540, 3736991), (9418, 2198230), (18836, 1099115), (23545, 879292), (47090, 439646), (94180, 219823)]