20157633712

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{409}}^1\times {\mathrm{7759}}^1$

素因数の和:8573

約数の個数: 40

約数和(自身を含む): 39254580800

約数和(自身を除く): 19096947088

約数列:

[1, 2, 4, 8, 16, 397, 409, 794, 818, 1588, 1636, 3176, 3272, 6352, 6544, 7759, 15518, 31036, 62072, 124144, 162373, 324746, 649492, 1298984, 2597968, 3080323, 3173431, 6160646, 6346862, 12321292, 12693724, 24642584, 25387448, 49285168, 50774896, 1259852107, 2519704214, 5039408428, 10078816856, 20157633712]

約数ペア:

[(1, 20157633712), (2, 10078816856), (4, 5039408428), (8, 2519704214), (16, 1259852107), (397, 50774896), (409, 49285168), (794, 25387448), (818, 24642584), (1588, 12693724), (1636, 12321292), (3176, 6346862), (3272, 6160646), (6352, 3173431), (6544, 3080323), (7759, 2597968), (15518, 1298984), (31036, 649492), (62072, 324746), (124144, 162373)]