20530164

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 29063436

約数列:

[1, 2, 3, 4, 6, 12, 47, 89, 94, 141, 178, 188, 267, 282, 356, 409, 534, 564, 818, 1068, 1227, 1636, 2454, 4183, 4908, 8366, 12549, 16732, 19223, 25098, 36401, 38446, 50196, 57669, 72802, 76892, 109203, 115338, 145604, 218406, 230676, 436812, 1710847, 3421694, 5132541, 6843388, 10265082, 20530164]

約数ペア:

[(1, 20530164), (2, 10265082), (3, 6843388), (4, 5132541), (6, 3421694), (12, 1710847), (47, 436812), (89, 230676), (94, 218406), (141, 145604), (178, 115338), (188, 109203), (267, 76892), (282, 72802), (356, 57669), (409, 50196), (534, 38446), (564, 36401), (818, 25098), (1068, 19223), (1227, 16732), (1636, 12549), (2454, 8366), (4183, 4908)]