20789609640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3686101}}^1$

素因数の和:3686162

約数の個数: 64

約数和(自身を含む): 63695842560

約数和(自身を除く): 42906232920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 3686101, 7372202, 11058303, 14744404, 18430505, 22116606, 29488808, 36861010, 44233212, 55291515, 73722020, 88466424, 110583030, 147444040, 173246747, 221166060, 346493494, 442332120, 519740241, 692986988, 866233735, 1039480482, 1385973976, 1732467470, 2078960964, 2598701205, 3464934940, 4157921928, 5197402410, 6929869880, 10394804820, 20789609640]

約数ペア:

[(1, 20789609640), (2, 10394804820), (3, 6929869880), (4, 5197402410), (5, 4157921928), (6, 3464934940), (8, 2598701205), (10, 2078960964), (12, 1732467470), (15, 1385973976), (20, 1039480482), (24, 866233735), (30, 692986988), (40, 519740241), (47, 442332120), (60, 346493494), (94, 221166060), (120, 173246747), (141, 147444040), (188, 110583030), (235, 88466424), (282, 73722020), (376, 55291515), (470, 44233212), (564, 36861010), (705, 29488808), (940, 22116606), (1128, 18430505), (1410, 14744404), (1880, 11058303), (2820, 7372202), (5640, 3686101)]