20128944

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 57674880

約数和(自身を除く): 37545936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 67, 88, 132, 134, 176, 201, 264, 268, 402, 528, 536, 569, 737, 804, 1072, 1138, 1474, 1608, 1707, 2211, 2276, 2948, 3216, 3414, 4422, 4552, 5896, 6259, 6828, 8844, 9104, 11792, 12518, 13656, 17688, 18777, 25036, 27312, 35376, 37554, 38123, 50072, 75108, 76246, 100144, 114369, 150216, 152492, 228738, 300432, 304984, 419353, 457476, 609968, 838706, 914952, 1258059, 1677412, 1829904, 2516118, 3354824, 5032236, 6709648, 10064472, 20128944]

約数ペア:

[(1, 20128944), (2, 10064472), (3, 6709648), (4, 5032236), (6, 3354824), (8, 2516118), (11, 1829904), (12, 1677412), (16, 1258059), (22, 914952), (24, 838706), (33, 609968), (44, 457476), (48, 419353), (66, 304984), (67, 300432), (88, 228738), (132, 152492), (134, 150216), (176, 114369), (201, 100144), (264, 76246), (268, 75108), (402, 50072), (528, 38123), (536, 37554), (569, 35376), (737, 27312), (804, 25036), (1072, 18777), (1138, 17688), (1474, 13656), (1608, 12518), (1707, 11792), (2211, 9104), (2276, 8844), (2948, 6828), (3216, 6259), (3414, 5896), (4422, 4552)]