20931012

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1537

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 37565244

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 276, 306, 391, 414, 612, 782, 828, 1173, 1487, 1564, 2346, 2974, 3519, 4461, 4692, 5948, 7038, 8922, 13383, 14076, 17844, 25279, 26766, 34201, 50558, 53532, 68402, 75837, 101116, 102603, 136804, 151674, 205206, 227511, 303348, 307809, 410412, 455022, 581417, 615618, 910044, 1162834, 1231236, 1744251, 2325668, 3488502, 5232753, 6977004, 10465506, 20931012]

約数ペア:

[(1, 20931012), (2, 10465506), (3, 6977004), (4, 5232753), (6, 3488502), (9, 2325668), (12, 1744251), (17, 1231236), (18, 1162834), (23, 910044), (34, 615618), (36, 581417), (46, 455022), (51, 410412), (68, 307809), (69, 303348), (92, 227511), (102, 205206), (138, 151674), (153, 136804), (204, 102603), (207, 101116), (276, 75837), (306, 68402), (391, 53532), (414, 50558), (612, 34201), (782, 26766), (828, 25279), (1173, 17844), (1487, 14076), (1564, 13383), (2346, 8922), (2974, 7038), (3519, 5948), (4461, 4692)]