20121817842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{317489}}^1$

素因数の和:318007

約数の個数: 48

約数和(自身を含む): 49924667520

約数和(自身を除く): 29802849678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 503, 1006, 1509, 3018, 3521, 4527, 7042, 9054, 10563, 21126, 31689, 63378, 317489, 634978, 952467, 1904934, 2222423, 2857401, 4444846, 5714802, 6667269, 13334538, 20001807, 40003614, 159696967, 319393934, 479090901, 958181802, 1117878769, 1437272703, 2235757538, 2874545406, 3353636307, 6707272614, 10060908921, 20121817842]

約数ペア:

[(1, 20121817842), (2, 10060908921), (3, 6707272614), (6, 3353636307), (7, 2874545406), (9, 2235757538), (14, 1437272703), (18, 1117878769), (21, 958181802), (42, 479090901), (63, 319393934), (126, 159696967), (503, 40003614), (1006, 20001807), (1509, 13334538), (3018, 6667269), (3521, 5714802), (4527, 4444846), (7042, 2857401), (9054, 2222423), (10563, 1904934), (21126, 952467), (31689, 634978), (63378, 317489)]