20771532

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{2161}}^1$

素因数の和:2263

約数の個数: 48

約数和(自身を含む): 54482400

約数和(自身を除く): 33710868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2161, 2403, 3204, 4322, 4806, 6483, 8644, 9612, 12966, 19449, 25932, 38898, 58347, 77796, 116694, 192329, 233388, 384658, 576987, 769316, 1153974, 1730961, 2307948, 3461922, 5192883, 6923844, 10385766, 20771532]

約数ペア:

[(1, 20771532), (2, 10385766), (3, 6923844), (4, 5192883), (6, 3461922), (9, 2307948), (12, 1730961), (18, 1153974), (27, 769316), (36, 576987), (54, 384658), (89, 233388), (108, 192329), (178, 116694), (267, 77796), (356, 58347), (534, 38898), (801, 25932), (1068, 19449), (1602, 12966), (2161, 9612), (2403, 8644), (3204, 6483), (4322, 4806)]