19796840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4159}}^1$

素因数の和:4194

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 34116760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4159, 4760, 8318, 16636, 20795, 29113, 33272, 41590, 58226, 70703, 83180, 116452, 141406, 145565, 166360, 232904, 282812, 291130, 353515, 494921, 565624, 582260, 707030, 989842, 1164520, 1414060, 1979684, 2474605, 2828120, 3959368, 4949210, 9898420, 19796840]

約数ペア:

[(1, 19796840), (2, 9898420), (4, 4949210), (5, 3959368), (7, 2828120), (8, 2474605), (10, 1979684), (14, 1414060), (17, 1164520), (20, 989842), (28, 707030), (34, 582260), (35, 565624), (40, 494921), (56, 353515), (68, 291130), (70, 282812), (85, 232904), (119, 166360), (136, 145565), (140, 141406), (170, 116452), (238, 83180), (280, 70703), (340, 58226), (476, 41590), (595, 33272), (680, 29113), (952, 20795), (1190, 16636), (2380, 8318), (4159, 4760)]