20189020904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{17093}}^1$

素因数の和:17430

約数の個数: 64

約数和(自身を含む): 41913804240

約数和(自身を除く): 21724783336

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 277, 328, 533, 554, 1066, 1108, 2132, 2216, 3601, 4264, 7202, 11357, 14404, 17093, 22714, 28808, 34186, 45428, 68372, 90856, 136744, 147641, 222209, 295282, 444418, 590564, 700813, 888836, 1181128, 1401626, 1777672, 2803252, 4734761, 5606504, 9110569, 9469522, 18221138, 18939044, 36442276, 37878088, 61551893, 72884552, 123103786, 194125201, 246207572, 388250402, 492415144, 776500804, 1553001608, 2523627613, 5047255226, 10094510452, 20189020904]

約数ペア:

[(1, 20189020904), (2, 10094510452), (4, 5047255226), (8, 2523627613), (13, 1553001608), (26, 776500804), (41, 492415144), (52, 388250402), (82, 246207572), (104, 194125201), (164, 123103786), (277, 72884552), (328, 61551893), (533, 37878088), (554, 36442276), (1066, 18939044), (1108, 18221138), (2132, 9469522), (2216, 9110569), (3601, 5606504), (4264, 4734761), (7202, 2803252), (11357, 1777672), (14404, 1401626), (17093, 1181128), (22714, 888836), (28808, 700813), (34186, 590564), (45428, 444418), (68372, 295282), (90856, 222209), (136744, 147641)]