20243872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 72

約数和(自身を含む): 46418400

約数和(自身を除く): 26174528

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 199, 272, 289, 352, 374, 398, 544, 578, 748, 796, 1156, 1496, 1592, 2189, 2312, 2992, 3179, 3184, 3383, 4378, 4624, 5984, 6358, 6368, 6766, 8756, 9248, 12716, 13532, 17512, 25432, 27064, 35024, 37213, 50864, 54128, 57511, 70048, 74426, 101728, 108256, 115022, 148852, 230044, 297704, 460088, 595408, 632621, 920176, 1190816, 1265242, 1840352, 2530484, 5060968, 10121936, 20243872]

約数ペア:

[(1, 20243872), (2, 10121936), (4, 5060968), (8, 2530484), (11, 1840352), (16, 1265242), (17, 1190816), (22, 920176), (32, 632621), (34, 595408), (44, 460088), (68, 297704), (88, 230044), (136, 148852), (176, 115022), (187, 108256), (199, 101728), (272, 74426), (289, 70048), (352, 57511), (374, 54128), (398, 50864), (544, 37213), (578, 35024), (748, 27064), (796, 25432), (1156, 17512), (1496, 13532), (1592, 12716), (2189, 9248), (2312, 8756), (2992, 6766), (3179, 6368), (3184, 6358), (3383, 5984), (4378, 4624)]