23020020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 75479040

約数和(自身を除く): 52459020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 127, 159, 171, 180, 190, 212, 228, 254, 265, 285, 318, 342, 380, 381, 477, 508, 530, 570, 635, 636, 684, 762, 795, 855, 954, 1007, 1060, 1140, 1143, 1270, 1524, 1590, 1710, 1905, 1908, 2014, 2286, 2385, 2413, 2540, 3021, 3180, 3420, 3810, 4028, 4572, 4770, 4826, 5035, 5715, 6042, 6731, 7239, 7620, 9063, 9540, 9652, 10070, 11430, 12065, 12084, 13462, 14478, 15105, 18126, 20140, 20193, 21717, 22860, 24130, 26924, 28956, 30210, 33655, 36195, 36252, 40386, 43434, 45315, 48260, 60420, 60579, 67310, 72390, 80772, 86868, 90630, 100965, 108585, 121158, 127889, 134620, 144780, 181260, 201930, 217170, 242316, 255778, 302895, 383667, 403860, 434340, 511556, 605790, 639445, 767334, 1151001, 1211580, 1278890, 1534668, 1918335, 2302002, 2557780, 3836670, 4604004, 5755005, 7673340, 11510010, 23020020]

約数ペア:

[(1, 23020020), (2, 11510010), (3, 7673340), (4, 5755005), (5, 4604004), (6, 3836670), (9, 2557780), (10, 2302002), (12, 1918335), (15, 1534668), (18, 1278890), (19, 1211580), (20, 1151001), (30, 767334), (36, 639445), (38, 605790), (45, 511556), (53, 434340), (57, 403860), (60, 383667), (76, 302895), (90, 255778), (95, 242316), (106, 217170), (114, 201930), (127, 181260), (159, 144780), (171, 134620), (180, 127889), (190, 121158), (212, 108585), (228, 100965), (254, 90630), (265, 86868), (285, 80772), (318, 72390), (342, 67310), (380, 60579), (381, 60420), (477, 48260), (508, 45315), (530, 43434), (570, 40386), (635, 36252), (636, 36195), (684, 33655), (762, 30210), (795, 28956), (855, 26924), (954, 24130), (1007, 22860), (1060, 21717), (1140, 20193), (1143, 20140), (1270, 18126), (1524, 15105), (1590, 14478), (1710, 13462), (1905, 12084), (1908, 12065), (2014, 11430), (2286, 10070), (2385, 9652), (2413, 9540), (2540, 9063), (3021, 7620), (3180, 7239), (3420, 6731), (3810, 6042), (4028, 5715), (4572, 5035), (4770, 4826)]