20967264

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1549}}^1$

素因数の和:1612

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 39966336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1549, 1692, 2256, 3098, 3384, 4512, 4647, 6196, 6768, 9294, 12392, 13536, 13941, 18588, 24784, 27882, 37176, 49568, 55764, 72803, 74352, 111528, 145606, 148704, 218409, 223056, 291212, 436818, 446112, 582424, 655227, 873636, 1164848, 1310454, 1747272, 2329696, 2620908, 3494544, 5241816, 6989088, 10483632, 20967264]

約数ペア:

[(1, 20967264), (2, 10483632), (3, 6989088), (4, 5241816), (6, 3494544), (8, 2620908), (9, 2329696), (12, 1747272), (16, 1310454), (18, 1164848), (24, 873636), (32, 655227), (36, 582424), (47, 446112), (48, 436818), (72, 291212), (94, 223056), (96, 218409), (141, 148704), (144, 145606), (188, 111528), (282, 74352), (288, 72803), (376, 55764), (423, 49568), (564, 37176), (752, 27882), (846, 24784), (1128, 18588), (1504, 13941), (1549, 13536), (1692, 12392), (2256, 9294), (3098, 6768), (3384, 6196), (4512, 4647)]