20490228

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{877}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 57526560

約数和(自身を除く): 37036332

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 59, 66, 99, 118, 132, 177, 198, 236, 354, 396, 531, 649, 708, 877, 1062, 1298, 1754, 1947, 2124, 2596, 2631, 3508, 3894, 5262, 5841, 7788, 7893, 9647, 10524, 11682, 15786, 19294, 23364, 28941, 31572, 38588, 51743, 57882, 86823, 103486, 115764, 155229, 173646, 206972, 310458, 347292, 465687, 569173, 620916, 931374, 1138346, 1707519, 1862748, 2276692, 3415038, 5122557, 6830076, 10245114, 20490228]

約数ペア:

[(1, 20490228), (2, 10245114), (3, 6830076), (4, 5122557), (6, 3415038), (9, 2276692), (11, 1862748), (12, 1707519), (18, 1138346), (22, 931374), (33, 620916), (36, 569173), (44, 465687), (59, 347292), (66, 310458), (99, 206972), (118, 173646), (132, 155229), (177, 115764), (198, 103486), (236, 86823), (354, 57882), (396, 51743), (531, 38588), (649, 31572), (708, 28941), (877, 23364), (1062, 19294), (1298, 15786), (1754, 11682), (1947, 10524), (2124, 9647), (2596, 7893), (2631, 7788), (3508, 5841), (3894, 5262)]