20420796

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2309}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 32358084

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 67, 132, 134, 201, 268, 402, 737, 804, 1474, 2211, 2309, 2948, 4422, 4618, 6927, 8844, 9236, 13854, 25399, 27708, 50798, 76197, 101596, 152394, 154703, 304788, 309406, 464109, 618812, 928218, 1701733, 1856436, 3403466, 5105199, 6806932, 10210398, 20420796]

約数ペア:

[(1, 20420796), (2, 10210398), (3, 6806932), (4, 5105199), (6, 3403466), (11, 1856436), (12, 1701733), (22, 928218), (33, 618812), (44, 464109), (66, 309406), (67, 304788), (132, 154703), (134, 152394), (201, 101596), (268, 76197), (402, 50798), (737, 27708), (804, 25399), (1474, 13854), (2211, 9236), (2309, 8844), (2948, 6927), (4422, 4618)]