20457072

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7477}}^1$

素因数の和:7510

約数の個数: 60

約数和(自身を含む): 60272680

約数和(自身を除く): 39815608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7477, 14954, 22431, 29908, 44862, 59816, 67293, 89724, 119632, 134586, 142063, 179448, 269172, 284126, 358896, 426189, 538344, 568252, 852378, 1076688, 1136504, 1278567, 1704756, 2273008, 2557134, 3409512, 5114268, 6819024, 10228536, 20457072]

約数ペア:

[(1, 20457072), (2, 10228536), (3, 6819024), (4, 5114268), (6, 3409512), (8, 2557134), (9, 2273008), (12, 1704756), (16, 1278567), (18, 1136504), (19, 1076688), (24, 852378), (36, 568252), (38, 538344), (48, 426189), (57, 358896), (72, 284126), (76, 269172), (114, 179448), (144, 142063), (152, 134586), (171, 119632), (228, 89724), (304, 67293), (342, 59816), (456, 44862), (684, 29908), (912, 22431), (1368, 14954), (2736, 7477)]