20139840028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{611113}}^1$

素因数の和:611242

約数の個数: 48

約数和(自身を含む): 44352209664

約数和(自身を除く): 24212369636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 749, 1177, 1498, 2354, 2996, 4708, 8239, 16478, 32956, 611113, 1222226, 2444452, 4277791, 6722243, 8555582, 13444486, 17111164, 26888972, 47055701, 65389091, 94111402, 130778182, 188222804, 261556364, 457723637, 719280001, 915447274, 1438560002, 1830894548, 2877120004, 5034960007, 10069920014, 20139840028]

約数ペア:

[(1, 20139840028), (2, 10069920014), (4, 5034960007), (7, 2877120004), (11, 1830894548), (14, 1438560002), (22, 915447274), (28, 719280001), (44, 457723637), (77, 261556364), (107, 188222804), (154, 130778182), (214, 94111402), (308, 65389091), (428, 47055701), (749, 26888972), (1177, 17111164), (1498, 13444486), (2354, 8555582), (2996, 6722243), (4708, 4277791), (8239, 2444452), (16478, 1222226), (32956, 611113)]