20909873776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1947641}}^1$

素因数の和:1947721

約数の個数: 40

約数和(自身を含む): 44920415088

約数和(自身を除く): 24010541312

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 2684, 5368, 10736, 1947641, 3895282, 7790564, 15581128, 21424051, 31162256, 42848102, 85696204, 118806101, 171392408, 237612202, 342784816, 475224404, 950448808, 1306867111, 1900897616, 2613734222, 5227468444, 10454936888, 20909873776]

約数ペア:

[(1, 20909873776), (2, 10454936888), (4, 5227468444), (8, 2613734222), (11, 1900897616), (16, 1306867111), (22, 950448808), (44, 475224404), (61, 342784816), (88, 237612202), (122, 171392408), (176, 118806101), (244, 85696204), (488, 42848102), (671, 31162256), (976, 21424051), (1342, 15581128), (2684, 7790564), (5368, 3895282), (10736, 1947641)]