20129595824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{77983}}^1$

素因数の和:78094

約数の個数: 80

約数和(自身を含む): 45081614592

約数和(自身を除く): 24952018768

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 73, 104, 136, 146, 208, 221, 272, 292, 442, 584, 884, 949, 1168, 1241, 1768, 1898, 2482, 3536, 3796, 4964, 7592, 9928, 15184, 16133, 19856, 32266, 64532, 77983, 129064, 155966, 258128, 311932, 623864, 1013779, 1247728, 1325711, 2027558, 2651422, 4055116, 5302844, 5692759, 8110232, 10605688, 11385518, 16220464, 17234243, 21211376, 22771036, 34468486, 45542072, 68936972, 74005867, 91084144, 96776903, 137873944, 148011734, 193553806, 275747888, 296023468, 387107612, 592046936, 774215224, 1184093872, 1258099739, 1548430448, 2516199478, 5032398956, 10064797912, 20129595824]

約数ペア:

[(1, 20129595824), (2, 10064797912), (4, 5032398956), (8, 2516199478), (13, 1548430448), (16, 1258099739), (17, 1184093872), (26, 774215224), (34, 592046936), (52, 387107612), (68, 296023468), (73, 275747888), (104, 193553806), (136, 148011734), (146, 137873944), (208, 96776903), (221, 91084144), (272, 74005867), (292, 68936972), (442, 45542072), (584, 34468486), (884, 22771036), (949, 21211376), (1168, 17234243), (1241, 16220464), (1768, 11385518), (1898, 10605688), (2482, 8110232), (3536, 5692759), (3796, 5302844), (4964, 4055116), (7592, 2651422), (9928, 2027558), (15184, 1325711), (16133, 1247728), (19856, 1013779), (32266, 623864), (64532, 311932), (77983, 258128), (129064, 155966)]