20281464

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40241}}^1$

素因数の和:40260

約数の個数: 48

約数和(自身を含む): 62777520

約数和(自身を除く): 42496056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40241, 80482, 120723, 160964, 241446, 281687, 321928, 362169, 482892, 563374, 724338, 845061, 965784, 1126748, 1448676, 1690122, 2253496, 2535183, 2897352, 3380244, 5070366, 6760488, 10140732, 20281464]

約数ペア:

[(1, 20281464), (2, 10140732), (3, 6760488), (4, 5070366), (6, 3380244), (7, 2897352), (8, 2535183), (9, 2253496), (12, 1690122), (14, 1448676), (18, 1126748), (21, 965784), (24, 845061), (28, 724338), (36, 563374), (42, 482892), (56, 362169), (63, 321928), (72, 281687), (84, 241446), (126, 160964), (168, 120723), (252, 80482), (504, 40241)]