20917344

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1831}}^1$

素因数の和:1868

約数の個数: 96

約数和(自身を含む): 66479616

約数和(自身を除く): 45562272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 336, 357, 408, 476, 544, 672, 714, 816, 952, 1428, 1632, 1831, 1904, 2856, 3662, 3808, 5493, 5712, 7324, 10986, 11424, 12817, 14648, 21972, 25634, 29296, 31127, 38451, 43944, 51268, 58592, 62254, 76902, 87888, 93381, 102536, 124508, 153804, 175776, 186762, 205072, 217889, 249016, 307608, 373524, 410144, 435778, 498032, 615216, 653667, 747048, 871556, 996064, 1230432, 1307334, 1494096, 1743112, 2614668, 2988192, 3486224, 5229336, 6972448, 10458672, 20917344]

約数ペア:

[(1, 20917344), (2, 10458672), (3, 6972448), (4, 5229336), (6, 3486224), (7, 2988192), (8, 2614668), (12, 1743112), (14, 1494096), (16, 1307334), (17, 1230432), (21, 996064), (24, 871556), (28, 747048), (32, 653667), (34, 615216), (42, 498032), (48, 435778), (51, 410144), (56, 373524), (68, 307608), (84, 249016), (96, 217889), (102, 205072), (112, 186762), (119, 175776), (136, 153804), (168, 124508), (204, 102536), (224, 93381), (238, 87888), (272, 76902), (336, 62254), (357, 58592), (408, 51268), (476, 43944), (544, 38451), (672, 31127), (714, 29296), (816, 25634), (952, 21972), (1428, 14648), (1632, 12817), (1831, 11424), (1904, 10986), (2856, 7324), (3662, 5712), (3808, 5493)]