20847048

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^2\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 53165520

約数和(自身を除く): 32318472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 163, 219, 292, 326, 438, 489, 584, 652, 876, 978, 1304, 1752, 1956, 3912, 5329, 10658, 11899, 15987, 21316, 23798, 31974, 35697, 42632, 47596, 63948, 71394, 95192, 127896, 142788, 285576, 868627, 1737254, 2605881, 3474508, 5211762, 6949016, 10423524, 20847048]

約数ペア:

[(1, 20847048), (2, 10423524), (3, 6949016), (4, 5211762), (6, 3474508), (8, 2605881), (12, 1737254), (24, 868627), (73, 285576), (146, 142788), (163, 127896), (219, 95192), (292, 71394), (326, 63948), (438, 47596), (489, 42632), (584, 35697), (652, 31974), (876, 23798), (978, 21316), (1304, 15987), (1752, 11899), (1956, 10658), (3912, 5329)]