20277816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 55211520

約数和(自身を除く): 34933704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 103, 104, 156, 206, 309, 312, 412, 618, 631, 824, 1236, 1262, 1339, 1893, 2472, 2524, 2678, 3786, 4017, 5048, 5356, 7572, 8034, 8203, 10712, 15144, 16068, 16406, 24609, 32136, 32812, 49218, 64993, 65624, 98436, 129986, 194979, 196872, 259972, 389958, 519944, 779916, 844909, 1559832, 1689818, 2534727, 3379636, 5069454, 6759272, 10138908, 20277816]

約数ペア:

[(1, 20277816), (2, 10138908), (3, 6759272), (4, 5069454), (6, 3379636), (8, 2534727), (12, 1689818), (13, 1559832), (24, 844909), (26, 779916), (39, 519944), (52, 389958), (78, 259972), (103, 196872), (104, 194979), (156, 129986), (206, 98436), (309, 65624), (312, 64993), (412, 49218), (618, 32812), (631, 32136), (824, 24609), (1236, 16406), (1262, 16068), (1339, 15144), (1893, 10712), (2472, 8203), (2524, 8034), (2678, 7572), (3786, 5356), (4017, 5048)]