20779780450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2906263}}^1$

素因数の和:2906299

約数の個数: 48

約数和(自身を含む): 45407468736

約数和(自身を除く): 24627688286

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 2906263, 5812526, 14531315, 29062630, 31968893, 37781419, 63937786, 72656575, 75562838, 145313150, 159844465, 188907095, 319688930, 377814190, 415595609, 799222325, 831191218, 944535475, 1598444650, 1889070950, 2077978045, 4155956090, 10389890225, 20779780450]

約数ペア:

[(1, 20779780450), (2, 10389890225), (5, 4155956090), (10, 2077978045), (11, 1889070950), (13, 1598444650), (22, 944535475), (25, 831191218), (26, 799222325), (50, 415595609), (55, 377814190), (65, 319688930), (110, 188907095), (130, 159844465), (143, 145313150), (275, 75562838), (286, 72656575), (325, 63937786), (550, 37781419), (650, 31968893), (715, 29062630), (1430, 14531315), (3575, 5812526), (7150, 2906263)]