20533718740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{731779}}^1$

素因数の和:731872

約数の個数: 48

約数和(自身を含む): 45733322880

約数和(自身を除く): 25199604140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2806, 5612, 7015, 14030, 28060, 731779, 1463558, 2927116, 3658895, 7317790, 14635580, 16830917, 33661834, 44638519, 67323668, 84154585, 89277038, 168309170, 178554076, 223192595, 336618340, 446385190, 892770380, 1026685937, 2053371874, 4106743748, 5133429685, 10266859370, 20533718740]

約数ペア:

[(1, 20533718740), (2, 10266859370), (4, 5133429685), (5, 4106743748), (10, 2053371874), (20, 1026685937), (23, 892770380), (46, 446385190), (61, 336618340), (92, 223192595), (115, 178554076), (122, 168309170), (230, 89277038), (244, 84154585), (305, 67323668), (460, 44638519), (610, 33661834), (1220, 16830917), (1403, 14635580), (2806, 7317790), (5612, 3658895), (7015, 2927116), (14030, 1463558), (28060, 731779)]