20767770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 57142800

約数和(自身を除く): 36375030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 73, 87, 90, 109, 145, 146, 174, 218, 219, 261, 290, 327, 365, 435, 438, 522, 545, 654, 657, 730, 870, 981, 1090, 1095, 1305, 1314, 1635, 1962, 2117, 2190, 2610, 3161, 3270, 3285, 4234, 4905, 6322, 6351, 6570, 7957, 9483, 9810, 10585, 12702, 15805, 15914, 18966, 19053, 21170, 23871, 28449, 31610, 31755, 38106, 39785, 47415, 47742, 56898, 63510, 71613, 79570, 94830, 95265, 119355, 142245, 143226, 190530, 230753, 238710, 284490, 358065, 461506, 692259, 716130, 1153765, 1384518, 2076777, 2307530, 3461295, 4153554, 6922590, 10383885, 20767770]

約数ペア:

[(1, 20767770), (2, 10383885), (3, 6922590), (5, 4153554), (6, 3461295), (9, 2307530), (10, 2076777), (15, 1384518), (18, 1153765), (29, 716130), (30, 692259), (45, 461506), (58, 358065), (73, 284490), (87, 238710), (90, 230753), (109, 190530), (145, 143226), (146, 142245), (174, 119355), (218, 95265), (219, 94830), (261, 79570), (290, 71613), (327, 63510), (365, 56898), (435, 47742), (438, 47415), (522, 39785), (545, 38106), (654, 31755), (657, 31610), (730, 28449), (870, 23871), (981, 21170), (1090, 19053), (1095, 18966), (1305, 15914), (1314, 15805), (1635, 12702), (1962, 10585), (2117, 9810), (2190, 9483), (2610, 7957), (3161, 6570), (3270, 6351), (3285, 6322), (4234, 4905)]