20806704

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 61900800

約数和(自身を除く): 41094096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 59, 62, 72, 79, 93, 118, 124, 144, 158, 177, 186, 236, 237, 248, 279, 316, 354, 372, 472, 474, 496, 531, 558, 632, 708, 711, 744, 944, 948, 1062, 1116, 1264, 1416, 1422, 1488, 1829, 1896, 2124, 2232, 2449, 2832, 2844, 3658, 3792, 4248, 4464, 4661, 4898, 5487, 5688, 7316, 7347, 8496, 9322, 9796, 10974, 11376, 13983, 14632, 14694, 16461, 18644, 19592, 21948, 22041, 27966, 29264, 29388, 32922, 37288, 39184, 41949, 43896, 44082, 55932, 58776, 65844, 74576, 83898, 87792, 88164, 111864, 117552, 131688, 144491, 167796, 176328, 223728, 263376, 288982, 335592, 352656, 433473, 577964, 671184, 866946, 1155928, 1300419, 1733892, 2311856, 2600838, 3467784, 5201676, 6935568, 10403352, 20806704]

約数ペア:

[(1, 20806704), (2, 10403352), (3, 6935568), (4, 5201676), (6, 3467784), (8, 2600838), (9, 2311856), (12, 1733892), (16, 1300419), (18, 1155928), (24, 866946), (31, 671184), (36, 577964), (48, 433473), (59, 352656), (62, 335592), (72, 288982), (79, 263376), (93, 223728), (118, 176328), (124, 167796), (144, 144491), (158, 131688), (177, 117552), (186, 111864), (236, 88164), (237, 87792), (248, 83898), (279, 74576), (316, 65844), (354, 58776), (372, 55932), (472, 44082), (474, 43896), (496, 41949), (531, 39184), (558, 37288), (632, 32922), (708, 29388), (711, 29264), (744, 27966), (944, 22041), (948, 21948), (1062, 19592), (1116, 18644), (1264, 16461), (1416, 14694), (1422, 14632), (1488, 13983), (1829, 11376), (1896, 10974), (2124, 9796), (2232, 9322), (2449, 8496), (2832, 7347), (2844, 7316), (3658, 5688), (3792, 5487), (4248, 4898), (4464, 4661)]