20920064

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:86

約数の個数: 144

約数和(自身を含む): 52980480

約数和(自身を除く): 32060416

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 23, 32, 34, 38, 44, 46, 64, 68, 76, 88, 92, 128, 136, 152, 176, 184, 187, 209, 253, 256, 272, 304, 323, 352, 368, 374, 391, 418, 437, 506, 544, 608, 646, 704, 736, 748, 782, 836, 874, 1012, 1088, 1216, 1292, 1408, 1472, 1496, 1564, 1672, 1748, 2024, 2176, 2432, 2584, 2816, 2944, 2992, 3128, 3344, 3496, 3553, 4048, 4301, 4352, 4807, 4864, 5168, 5888, 5984, 6256, 6688, 6992, 7106, 7429, 8096, 8602, 9614, 10336, 11968, 12512, 13376, 13984, 14212, 14858, 16192, 17204, 19228, 20672, 23936, 25024, 26752, 27968, 28424, 29716, 32384, 34408, 38456, 41344, 47872, 50048, 53504, 55936, 56848, 59432, 64768, 68816, 76912, 81719, 82688, 100096, 111872, 113696, 118864, 137632, 153824, 163438, 227392, 237728, 275264, 307648, 326876, 454784, 475456, 550528, 615296, 653752, 909568, 950912, 1101056, 1230592, 1307504, 1901824, 2615008, 5230016, 10460032, 20920064]

約数ペア:

[(1, 20920064), (2, 10460032), (4, 5230016), (8, 2615008), (11, 1901824), (16, 1307504), (17, 1230592), (19, 1101056), (22, 950912), (23, 909568), (32, 653752), (34, 615296), (38, 550528), (44, 475456), (46, 454784), (64, 326876), (68, 307648), (76, 275264), (88, 237728), (92, 227392), (128, 163438), (136, 153824), (152, 137632), (176, 118864), (184, 113696), (187, 111872), (209, 100096), (253, 82688), (256, 81719), (272, 76912), (304, 68816), (323, 64768), (352, 59432), (368, 56848), (374, 55936), (391, 53504), (418, 50048), (437, 47872), (506, 41344), (544, 38456), (608, 34408), (646, 32384), (704, 29716), (736, 28424), (748, 27968), (782, 26752), (836, 25024), (874, 23936), (1012, 20672), (1088, 19228), (1216, 17204), (1292, 16192), (1408, 14858), (1472, 14212), (1496, 13984), (1564, 13376), (1672, 12512), (1748, 11968), (2024, 10336), (2176, 9614), (2432, 8602), (2584, 8096), (2816, 7429), (2944, 7106), (2992, 6992), (3128, 6688), (3344, 6256), (3496, 5984), (3553, 5888), (4048, 5168), (4301, 4864), (4352, 4807)]