20145408

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1$

素因数の和:1579

約数の個数: 72

約数和(自身を含む): 56806848

約数和(自身を除く): 36661440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1543, 1632, 2176, 3086, 3264, 4352, 4629, 6172, 6528, 9258, 12344, 13056, 18516, 24688, 26231, 37032, 49376, 52462, 74064, 78693, 98752, 104924, 148128, 157386, 197504, 209848, 296256, 314772, 395008, 419696, 592512, 629544, 839392, 1185024, 1259088, 1678784, 2518176, 3357568, 5036352, 6715136, 10072704, 20145408]

約数ペア:

[(1, 20145408), (2, 10072704), (3, 6715136), (4, 5036352), (6, 3357568), (8, 2518176), (12, 1678784), (16, 1259088), (17, 1185024), (24, 839392), (32, 629544), (34, 592512), (48, 419696), (51, 395008), (64, 314772), (68, 296256), (96, 209848), (102, 197504), (128, 157386), (136, 148128), (192, 104924), (204, 98752), (256, 78693), (272, 74064), (384, 52462), (408, 49376), (544, 37032), (768, 26231), (816, 24688), (1088, 18516), (1543, 13056), (1632, 12344), (2176, 9258), (3086, 6528), (3264, 6172), (4352, 4629)]