201120222020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{11971}}^1$

素因数の和:12381

約数の個数: 96

約数和(自身を含む): 439942841856

約数和(自身を除く): 238822619836

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 293, 305, 470, 586, 610, 940, 1172, 1220, 1465, 2867, 2930, 5734, 5860, 11468, 11971, 13771, 14335, 17873, 23942, 27542, 28670, 35746, 47884, 55084, 57340, 59855, 68855, 71492, 89365, 119710, 137710, 178730, 239420, 275420, 357460, 562637, 730231, 840031, 1125274, 1460462, 1680062, 2250548, 2813185, 2920924, 3360124, 3507503, 3651155, 4200155, 5626370, 7015006, 7302310, 8400310, 11252740, 14030012, 14604620, 16800620, 17537515, 34320857, 35075030, 68641714, 70150060, 137283428, 164852641, 171604285, 213957683, 329705282, 343208570, 427915366, 659410564, 686417140, 824263205, 855830732, 1069788415, 1648526410, 2139576830, 3297052820, 4279153660, 10056011101, 20112022202, 40224044404, 50280055505, 100560111010, 201120222020]

約数ペア:

[(1, 201120222020), (2, 100560111010), (4, 50280055505), (5, 40224044404), (10, 20112022202), (20, 10056011101), (47, 4279153660), (61, 3297052820), (94, 2139576830), (122, 1648526410), (188, 1069788415), (235, 855830732), (244, 824263205), (293, 686417140), (305, 659410564), (470, 427915366), (586, 343208570), (610, 329705282), (940, 213957683), (1172, 171604285), (1220, 164852641), (1465, 137283428), (2867, 70150060), (2930, 68641714), (5734, 35075030), (5860, 34320857), (11468, 17537515), (11971, 16800620), (13771, 14604620), (14335, 14030012), (17873, 11252740), (23942, 8400310), (27542, 7302310), (28670, 7015006), (35746, 5626370), (47884, 4200155), (55084, 3651155), (57340, 3507503), (59855, 3360124), (68855, 2920924), (71492, 2813185), (89365, 2250548), (119710, 1680062), (137710, 1460462), (178730, 1125274), (239420, 840031), (275420, 730231), (357460, 562637)]