20236440268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{1061}}^1$

素因数の和:1495

約数の個数: 72

約数和(自身を含む): 39366955152

約数和(自身を除く): 19130514884

約数列:

[1, 2, 4, 11, 22, 44, 121, 157, 242, 251, 314, 484, 502, 628, 1004, 1061, 1727, 2122, 2761, 3454, 4244, 5522, 6908, 11044, 11671, 18997, 23342, 30371, 37994, 39407, 46684, 60742, 75988, 78814, 121484, 128381, 157628, 166577, 256762, 266311, 333154, 433477, 513524, 532622, 666308, 866954, 1065244, 1733908, 1832347, 2929421, 3664694, 4768247, 5858842, 7329388, 9536494, 11717684, 19072988, 20155817, 32223631, 40311634, 41810827, 64447262, 80623268, 83621654, 128894524, 167243308, 459919097, 919838194, 1839676388, 5059110067, 10118220134, 20236440268]

約数ペア:

[(1, 20236440268), (2, 10118220134), (4, 5059110067), (11, 1839676388), (22, 919838194), (44, 459919097), (121, 167243308), (157, 128894524), (242, 83621654), (251, 80623268), (314, 64447262), (484, 41810827), (502, 40311634), (628, 32223631), (1004, 20155817), (1061, 19072988), (1727, 11717684), (2122, 9536494), (2761, 7329388), (3454, 5858842), (4244, 4768247), (5522, 3664694), (6908, 2929421), (11044, 1832347), (11671, 1733908), (18997, 1065244), (23342, 866954), (30371, 666308), (37994, 532622), (39407, 513524), (46684, 433477), (60742, 333154), (75988, 266311), (78814, 256762), (121484, 166577), (128381, 157628)]