20462916

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 50254848

約数和(自身を除く): 29791932

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 151, 276, 302, 453, 491, 604, 906, 982, 1473, 1812, 1964, 2946, 3473, 5892, 6946, 10419, 11293, 13892, 20838, 22586, 33879, 41676, 45172, 67758, 74141, 135516, 148282, 222423, 296564, 444846, 889692, 1705243, 3410486, 5115729, 6820972, 10231458, 20462916]

約数ペア:

[(1, 20462916), (2, 10231458), (3, 6820972), (4, 5115729), (6, 3410486), (12, 1705243), (23, 889692), (46, 444846), (69, 296564), (92, 222423), (138, 148282), (151, 135516), (276, 74141), (302, 67758), (453, 45172), (491, 41676), (604, 33879), (906, 22586), (982, 20838), (1473, 13892), (1812, 11293), (1964, 10419), (2946, 6946), (3473, 5892)]