20628684

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 56766528

約数和(自身を除く): 36137844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 911, 1258, 1332, 1822, 1887, 2516, 2733, 3644, 3774, 5466, 5661, 7548, 8199, 10932, 11322, 15487, 16398, 22644, 30974, 32796, 33707, 46461, 61948, 67414, 92922, 101121, 134828, 139383, 185844, 202242, 278766, 303363, 404484, 557532, 573019, 606726, 1146038, 1213452, 1719057, 2292076, 3438114, 5157171, 6876228, 10314342, 20628684]

約数ペア:

[(1, 20628684), (2, 10314342), (3, 6876228), (4, 5157171), (6, 3438114), (9, 2292076), (12, 1719057), (17, 1213452), (18, 1146038), (34, 606726), (36, 573019), (37, 557532), (51, 404484), (68, 303363), (74, 278766), (102, 202242), (111, 185844), (148, 139383), (153, 134828), (204, 101121), (222, 92922), (306, 67414), (333, 61948), (444, 46461), (612, 33707), (629, 32796), (666, 30974), (911, 22644), (1258, 16398), (1332, 15487), (1822, 11322), (1887, 10932), (2516, 8199), (2733, 7548), (3644, 5661), (3774, 5466)]