20169971172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1164817}}^1$

素因数の和:1164877

約数の個数: 72

約数和(自身を含む): 56391169016

約数和(自身を除く): 36221197844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1924, 2886, 4329, 5772, 8658, 17316, 1164817, 2329634, 3494451, 4659268, 6988902, 10483353, 13977804, 15142621, 20966706, 30285242, 41933412, 43098229, 45427863, 60570484, 86196458, 90855726, 129294687, 136283589, 172392916, 181711452, 258589374, 272567178, 387884061, 517178748, 545134356, 560276977, 775768122, 1120553954, 1551536244, 1680830931, 2241107908, 3361661862, 5042492793, 6723323724, 10084985586, 20169971172]

約数ペア:

[(1, 20169971172), (2, 10084985586), (3, 6723323724), (4, 5042492793), (6, 3361661862), (9, 2241107908), (12, 1680830931), (13, 1551536244), (18, 1120553954), (26, 775768122), (36, 560276977), (37, 545134356), (39, 517178748), (52, 387884061), (74, 272567178), (78, 258589374), (111, 181711452), (117, 172392916), (148, 136283589), (156, 129294687), (222, 90855726), (234, 86196458), (333, 60570484), (444, 45427863), (468, 43098229), (481, 41933412), (666, 30285242), (962, 20966706), (1332, 15142621), (1443, 13977804), (1924, 10483353), (2886, 6988902), (4329, 4659268), (5772, 3494451), (8658, 2329634), (17316, 1164817)]