20716992

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:671

約数の個数: 112

約数和(自身を含む): 64211200

約数和(自身を除く): 43494208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 144, 152, 171, 192, 216, 228, 288, 304, 342, 432, 456, 513, 576, 608, 631, 684, 864, 912, 1026, 1216, 1262, 1368, 1728, 1824, 1893, 2052, 2524, 2736, 3648, 3786, 4104, 5048, 5472, 5679, 7572, 8208, 10096, 10944, 11358, 11989, 15144, 16416, 17037, 20192, 22716, 23978, 30288, 32832, 34074, 35967, 40384, 45432, 47956, 60576, 68148, 71934, 90864, 95912, 107901, 121152, 136296, 143868, 181728, 191824, 215802, 272592, 287736, 323703, 363456, 383648, 431604, 545184, 575472, 647406, 767296, 863208, 1090368, 1150944, 1294812, 1726416, 2301888, 2589624, 3452832, 5179248, 6905664, 10358496, 20716992]

約数ペア:

[(1, 20716992), (2, 10358496), (3, 6905664), (4, 5179248), (6, 3452832), (8, 2589624), (9, 2301888), (12, 1726416), (16, 1294812), (18, 1150944), (19, 1090368), (24, 863208), (27, 767296), (32, 647406), (36, 575472), (38, 545184), (48, 431604), (54, 383648), (57, 363456), (64, 323703), (72, 287736), (76, 272592), (96, 215802), (108, 191824), (114, 181728), (144, 143868), (152, 136296), (171, 121152), (192, 107901), (216, 95912), (228, 90864), (288, 71934), (304, 68148), (342, 60576), (432, 47956), (456, 45432), (513, 40384), (576, 35967), (608, 34074), (631, 32832), (684, 30288), (864, 23978), (912, 22716), (1026, 20192), (1216, 17037), (1262, 16416), (1368, 15144), (1728, 11989), (1824, 11358), (1893, 10944), (2052, 10096), (2524, 8208), (2736, 7572), (3648, 5679), (3786, 5472), (4104, 5048)]