20963856

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1168

約数の個数: 80

約数和(自身を含む): 59889024

約数和(自身を除く): 38925168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 34, 46, 48, 51, 68, 69, 92, 102, 136, 138, 184, 204, 272, 276, 368, 391, 408, 552, 782, 816, 1104, 1117, 1173, 1564, 2234, 2346, 3128, 3351, 4468, 4692, 6256, 6702, 8936, 9384, 13404, 17872, 18768, 18989, 25691, 26808, 37978, 51382, 53616, 56967, 75956, 77073, 102764, 113934, 151912, 154146, 205528, 227868, 303824, 308292, 411056, 436747, 455736, 616584, 873494, 911472, 1233168, 1310241, 1746988, 2620482, 3493976, 5240964, 6987952, 10481928, 20963856]

約数ペア:

[(1, 20963856), (2, 10481928), (3, 6987952), (4, 5240964), (6, 3493976), (8, 2620482), (12, 1746988), (16, 1310241), (17, 1233168), (23, 911472), (24, 873494), (34, 616584), (46, 455736), (48, 436747), (51, 411056), (68, 308292), (69, 303824), (92, 227868), (102, 205528), (136, 154146), (138, 151912), (184, 113934), (204, 102764), (272, 77073), (276, 75956), (368, 56967), (391, 53616), (408, 51382), (552, 37978), (782, 26808), (816, 25691), (1104, 18989), (1117, 18768), (1173, 17872), (1564, 13404), (2234, 9384), (2346, 8936), (3128, 6702), (3351, 6256), (4468, 4692)]