20454876

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:900

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 40085604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 102, 108, 117, 153, 156, 204, 221, 234, 306, 351, 442, 459, 468, 612, 663, 702, 857, 884, 918, 1326, 1404, 1714, 1836, 1989, 2571, 2652, 3428, 3978, 5142, 5967, 7713, 7956, 10284, 11141, 11934, 14569, 15426, 22282, 23139, 23868, 29138, 30852, 33423, 43707, 44564, 46278, 58276, 66846, 87414, 92556, 100269, 131121, 133692, 174828, 189397, 200538, 262242, 300807, 378794, 393363, 401076, 524484, 568191, 601614, 757588, 786726, 1136382, 1203228, 1573452, 1704573, 2272764, 3409146, 5113719, 6818292, 10227438, 20454876]

約数ペア:

[(1, 20454876), (2, 10227438), (3, 6818292), (4, 5113719), (6, 3409146), (9, 2272764), (12, 1704573), (13, 1573452), (17, 1203228), (18, 1136382), (26, 786726), (27, 757588), (34, 601614), (36, 568191), (39, 524484), (51, 401076), (52, 393363), (54, 378794), (68, 300807), (78, 262242), (102, 200538), (108, 189397), (117, 174828), (153, 133692), (156, 131121), (204, 100269), (221, 92556), (234, 87414), (306, 66846), (351, 58276), (442, 46278), (459, 44564), (468, 43707), (612, 33423), (663, 30852), (702, 29138), (857, 23868), (884, 23139), (918, 22282), (1326, 15426), (1404, 14569), (1714, 11934), (1836, 11141), (1989, 10284), (2571, 7956), (2652, 7713), (3428, 5967), (3978, 5142)]