20708496

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4684

約数の個数: 60

約数和(自身を含む): 59837440

約数和(自身を除く): 39128944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4639, 9278, 13917, 18556, 27834, 37112, 41751, 55668, 74224, 83502, 111336, 143809, 167004, 222672, 287618, 334008, 431427, 575236, 668016, 862854, 1150472, 1294281, 1725708, 2300944, 2588562, 3451416, 5177124, 6902832, 10354248, 20708496]

約数ペア:

[(1, 20708496), (2, 10354248), (3, 6902832), (4, 5177124), (6, 3451416), (8, 2588562), (9, 2300944), (12, 1725708), (16, 1294281), (18, 1150472), (24, 862854), (31, 668016), (36, 575236), (48, 431427), (62, 334008), (72, 287618), (93, 222672), (124, 167004), (144, 143809), (186, 111336), (248, 83502), (279, 74224), (372, 55668), (496, 41751), (558, 37112), (744, 27834), (1116, 18556), (1488, 13917), (2232, 9278), (4464, 4639)]