20604924

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 54054000

約数和(自身を除く): 33449076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 89, 109, 118, 177, 178, 218, 236, 267, 327, 354, 356, 436, 531, 534, 654, 708, 801, 981, 1062, 1068, 1308, 1602, 1962, 2124, 3204, 3924, 5251, 6431, 9701, 10502, 12862, 15753, 19293, 19402, 21004, 25724, 29103, 31506, 38586, 38804, 47259, 57879, 58206, 63012, 77172, 87309, 94518, 115758, 116412, 174618, 189036, 231516, 349236, 572359, 1144718, 1717077, 2289436, 3434154, 5151231, 6868308, 10302462, 20604924]

約数ペア:

[(1, 20604924), (2, 10302462), (3, 6868308), (4, 5151231), (6, 3434154), (9, 2289436), (12, 1717077), (18, 1144718), (36, 572359), (59, 349236), (89, 231516), (109, 189036), (118, 174618), (177, 116412), (178, 115758), (218, 94518), (236, 87309), (267, 77172), (327, 63012), (354, 58206), (356, 57879), (436, 47259), (531, 38804), (534, 38586), (654, 31506), (708, 29103), (801, 25724), (981, 21004), (1062, 19402), (1068, 19293), (1308, 15753), (1602, 12862), (1962, 10502), (2124, 9701), (3204, 6431), (3924, 5251)]