20725608

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 54259200

約数和(自身を除く): 33533592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 89, 93, 124, 178, 186, 248, 267, 313, 356, 372, 534, 626, 712, 744, 939, 1068, 1252, 1878, 2136, 2504, 2759, 3756, 5518, 7512, 8277, 9703, 11036, 16554, 19406, 22072, 27857, 29109, 33108, 38812, 55714, 58218, 66216, 77624, 83571, 111428, 116436, 167142, 222856, 232872, 334284, 668568, 863567, 1727134, 2590701, 3454268, 5181402, 6908536, 10362804, 20725608]

約数ペア:

[(1, 20725608), (2, 10362804), (3, 6908536), (4, 5181402), (6, 3454268), (8, 2590701), (12, 1727134), (24, 863567), (31, 668568), (62, 334284), (89, 232872), (93, 222856), (124, 167142), (178, 116436), (186, 111428), (248, 83571), (267, 77624), (313, 66216), (356, 58218), (372, 55714), (534, 38812), (626, 33108), (712, 29109), (744, 27857), (939, 22072), (1068, 19406), (1252, 16554), (1878, 11036), (2136, 9703), (2504, 8277), (2759, 7512), (3756, 5518)]