20617956

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^2\times {\mathrm{227}}^1$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 55604640

約数和(自身を除く): 34986684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 227, 261, 348, 454, 522, 681, 783, 841, 908, 1044, 1362, 1566, 1682, 2043, 2523, 2724, 3132, 3364, 4086, 5046, 6129, 6583, 7569, 8172, 10092, 12258, 13166, 15138, 19749, 22707, 24516, 26332, 30276, 39498, 45414, 59247, 78996, 90828, 118494, 177741, 190907, 236988, 355482, 381814, 572721, 710964, 763628, 1145442, 1718163, 2290884, 3436326, 5154489, 6872652, 10308978, 20617956]

約数ペア:

[(1, 20617956), (2, 10308978), (3, 6872652), (4, 5154489), (6, 3436326), (9, 2290884), (12, 1718163), (18, 1145442), (27, 763628), (29, 710964), (36, 572721), (54, 381814), (58, 355482), (87, 236988), (108, 190907), (116, 177741), (174, 118494), (227, 90828), (261, 78996), (348, 59247), (454, 45414), (522, 39498), (681, 30276), (783, 26332), (841, 24516), (908, 22707), (1044, 19749), (1362, 15138), (1566, 13166), (1682, 12258), (2043, 10092), (2523, 8172), (2724, 7569), (3132, 6583), (3364, 6129), (4086, 5046)]