20131147288

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{4421}}^1$

素因数の和:4569

約数の個数: 128

約数和(自身を含む): 46322749440

約数和(自身を除く): 26191602152

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 61, 62, 86, 122, 124, 172, 217, 244, 248, 301, 344, 427, 434, 488, 602, 854, 868, 1204, 1333, 1708, 1736, 1891, 2408, 2623, 2666, 3416, 3782, 4421, 5246, 5332, 7564, 8842, 9331, 10492, 10664, 13237, 15128, 17684, 18361, 18662, 20984, 26474, 30947, 35368, 36722, 37324, 52948, 61894, 73444, 74648, 81313, 105896, 123788, 137051, 146888, 162626, 190103, 247576, 269681, 274102, 325252, 380206, 539362, 548204, 569191, 650504, 760412, 959357, 1078724, 1096408, 1138382, 1330721, 1520824, 1887767, 1918714, 2157448, 2276764, 2661442, 3775534, 3837428, 4553528, 5322884, 5893193, 7551068, 7674856, 8360111, 10645768, 11596283, 11786386, 15102136, 16720222, 23192566, 23572772, 33440444, 41252351, 46385132, 47145544, 58520777, 66880888, 81173981, 82504702, 92770264, 117041554, 162347962, 165009404, 234083108, 324695924, 330018808, 359484773, 468166216, 649391848, 718969546, 1437939092, 2516393411, 2875878184, 5032786822, 10065573644, 20131147288]

約数ペア:

[(1, 20131147288), (2, 10065573644), (4, 5032786822), (7, 2875878184), (8, 2516393411), (14, 1437939092), (28, 718969546), (31, 649391848), (43, 468166216), (56, 359484773), (61, 330018808), (62, 324695924), (86, 234083108), (122, 165009404), (124, 162347962), (172, 117041554), (217, 92770264), (244, 82504702), (248, 81173981), (301, 66880888), (344, 58520777), (427, 47145544), (434, 46385132), (488, 41252351), (602, 33440444), (854, 23572772), (868, 23192566), (1204, 16720222), (1333, 15102136), (1708, 11786386), (1736, 11596283), (1891, 10645768), (2408, 8360111), (2623, 7674856), (2666, 7551068), (3416, 5893193), (3782, 5322884), (4421, 4553528), (5246, 3837428), (5332, 3775534), (7564, 2661442), (8842, 2276764), (9331, 2157448), (10492, 1918714), (10664, 1887767), (13237, 1520824), (15128, 1330721), (17684, 1138382), (18361, 1096408), (18662, 1078724), (20984, 959357), (26474, 760412), (30947, 650504), (35368, 569191), (36722, 548204), (37324, 539362), (52948, 380206), (61894, 325252), (73444, 274102), (74648, 269681), (81313, 247576), (105896, 190103), (123788, 162626), (137051, 146888)]