20718912

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:164

約数の個数: 84

約数和(自身を含む): 57562496

約数和(自身を除く): 36843584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 59, 62, 64, 93, 96, 118, 124, 177, 186, 192, 236, 248, 354, 372, 472, 496, 708, 744, 944, 992, 1416, 1488, 1829, 1888, 1984, 2832, 2976, 3481, 3658, 3776, 5487, 5664, 5952, 6962, 7316, 10443, 10974, 11328, 13924, 14632, 20886, 21948, 27848, 29264, 41772, 43896, 55696, 58528, 83544, 87792, 107911, 111392, 117056, 167088, 175584, 215822, 222784, 323733, 334176, 351168, 431644, 647466, 668352, 863288, 1294932, 1726576, 2589864, 3453152, 5179728, 6906304, 10359456, 20718912]

約数ペア:

[(1, 20718912), (2, 10359456), (3, 6906304), (4, 5179728), (6, 3453152), (8, 2589864), (12, 1726576), (16, 1294932), (24, 863288), (31, 668352), (32, 647466), (48, 431644), (59, 351168), (62, 334176), (64, 323733), (93, 222784), (96, 215822), (118, 175584), (124, 167088), (177, 117056), (186, 111392), (192, 107911), (236, 87792), (248, 83544), (354, 58528), (372, 55696), (472, 43896), (496, 41772), (708, 29264), (744, 27848), (944, 21948), (992, 20886), (1416, 14632), (1488, 13924), (1829, 11328), (1888, 10974), (1984, 10443), (2832, 7316), (2976, 6962), (3481, 5952), (3658, 5664), (3776, 5487)]