20516364

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 36721908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 103, 132, 198, 206, 309, 396, 412, 503, 618, 927, 1006, 1133, 1236, 1509, 1854, 2012, 2266, 3018, 3399, 3708, 4527, 4532, 5533, 6036, 6798, 9054, 10197, 11066, 13596, 16599, 18108, 20394, 22132, 33198, 40788, 49797, 51809, 66396, 99594, 103618, 155427, 199188, 207236, 310854, 466281, 569899, 621708, 932562, 1139798, 1709697, 1865124, 2279596, 3419394, 5129091, 6838788, 10258182, 20516364]

約数ペア:

[(1, 20516364), (2, 10258182), (3, 6838788), (4, 5129091), (6, 3419394), (9, 2279596), (11, 1865124), (12, 1709697), (18, 1139798), (22, 932562), (33, 621708), (36, 569899), (44, 466281), (66, 310854), (99, 207236), (103, 199188), (132, 155427), (198, 103618), (206, 99594), (309, 66396), (396, 51809), (412, 49797), (503, 40788), (618, 33198), (927, 22132), (1006, 20394), (1133, 18108), (1236, 16599), (1509, 13596), (1854, 11066), (2012, 10197), (2266, 9054), (3018, 6798), (3399, 6036), (3708, 5533), (4527, 4532)]