20153157384

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1\times {\mathrm{20963}}^1$

素因数の和:21990

約数の個数: 64

約数和(自身を含む): 51667035840

約数和(自身を除く): 31513878456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 977, 984, 1954, 2931, 3908, 5862, 7816, 11724, 20963, 23448, 40057, 41926, 62889, 80114, 83852, 120171, 125778, 160228, 167704, 240342, 251556, 320456, 480684, 503112, 859483, 961368, 1718966, 2578449, 3437932, 5156898, 6875864, 10313796, 20480851, 20627592, 40961702, 61442553, 81923404, 122885106, 163846808, 245770212, 491540424, 839714891, 1679429782, 2519144673, 3358859564, 5038289346, 6717719128, 10076578692, 20153157384]

約数ペア:

[(1, 20153157384), (2, 10076578692), (3, 6717719128), (4, 5038289346), (6, 3358859564), (8, 2519144673), (12, 1679429782), (24, 839714891), (41, 491540424), (82, 245770212), (123, 163846808), (164, 122885106), (246, 81923404), (328, 61442553), (492, 40961702), (977, 20627592), (984, 20480851), (1954, 10313796), (2931, 6875864), (3908, 5156898), (5862, 3437932), (7816, 2578449), (11724, 1718966), (20963, 961368), (23448, 859483), (40057, 503112), (41926, 480684), (62889, 320456), (80114, 251556), (83852, 240342), (120171, 167704), (125778, 160228)]