20565245890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{79769}}^1$

素因数の和:79939

約数の個数: 64

約数和(自身を含む): 44109619200

約数和(自身を除く): 23544373310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 127, 145, 203, 254, 290, 406, 635, 889, 1015, 1270, 1778, 2030, 3683, 4445, 7366, 8890, 18415, 25781, 36830, 51562, 79769, 128905, 159538, 257810, 398845, 558383, 797690, 1116766, 2313301, 2791915, 4626602, 5583830, 10130663, 11566505, 16193107, 20261326, 23133010, 32386214, 50653315, 70914641, 80965535, 101306630, 141829282, 161931070, 293789227, 354573205, 587578454, 709146410, 1468946135, 2056524589, 2937892270, 4113049178, 10282622945, 20565245890]

約数ペア:

[(1, 20565245890), (2, 10282622945), (5, 4113049178), (7, 2937892270), (10, 2056524589), (14, 1468946135), (29, 709146410), (35, 587578454), (58, 354573205), (70, 293789227), (127, 161931070), (145, 141829282), (203, 101306630), (254, 80965535), (290, 70914641), (406, 50653315), (635, 32386214), (889, 23133010), (1015, 20261326), (1270, 16193107), (1778, 11566505), (2030, 10130663), (3683, 5583830), (4445, 4626602), (7366, 2791915), (8890, 2313301), (18415, 1116766), (25781, 797690), (36830, 558383), (51562, 398845), (79769, 257810), (128905, 159538)]