20126772

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1187}}^1$

素因数の和:1357

約数の個数: 48

約数和(自身を含む): 52557120

約数和(自身を除く): 32430348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1187, 1413, 1884, 2374, 2826, 3561, 4239, 4748, 5652, 7122, 8478, 10683, 14244, 16956, 21366, 32049, 42732, 64098, 128196, 186359, 372718, 559077, 745436, 1118154, 1677231, 2236308, 3354462, 5031693, 6708924, 10063386, 20126772]

約数ペア:

[(1, 20126772), (2, 10063386), (3, 6708924), (4, 5031693), (6, 3354462), (9, 2236308), (12, 1677231), (18, 1118154), (27, 745436), (36, 559077), (54, 372718), (108, 186359), (157, 128196), (314, 64098), (471, 42732), (628, 32049), (942, 21366), (1187, 16956), (1413, 14244), (1884, 10683), (2374, 8478), (2826, 7122), (3561, 5652), (4239, 4748)]