20621072808

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40914827}}^1$

素因数の和:40914846

約数の個数: 48

約数和(自身を含む): 63827131680

約数和(自身を除く): 43206058872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40914827, 81829654, 122744481, 163659308, 245488962, 286403789, 327318616, 368233443, 490977924, 572807578, 736466886, 859211367, 981955848, 1145615156, 1472933772, 1718422734, 2291230312, 2577634101, 2945867544, 3436845468, 5155268202, 6873690936, 10310536404, 20621072808]

約数ペア:

[(1, 20621072808), (2, 10310536404), (3, 6873690936), (4, 5155268202), (6, 3436845468), (7, 2945867544), (8, 2577634101), (9, 2291230312), (12, 1718422734), (14, 1472933772), (18, 1145615156), (21, 981955848), (24, 859211367), (28, 736466886), (36, 572807578), (42, 490977924), (56, 368233443), (63, 327318616), (72, 286403789), (84, 245488962), (126, 163659308), (168, 122744481), (252, 81829654), (504, 40914827)]