20226380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 44059680

約数和(自身を除く): 23833300

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 281, 295, 305, 562, 590, 610, 1124, 1180, 1220, 1405, 2810, 3599, 5620, 7198, 14396, 16579, 17141, 17995, 33158, 34282, 35990, 66316, 68564, 71980, 82895, 85705, 165790, 171410, 331580, 342820, 1011319, 2022638, 4045276, 5056595, 10113190, 20226380]

約数ペア:

[(1, 20226380), (2, 10113190), (4, 5056595), (5, 4045276), (10, 2022638), (20, 1011319), (59, 342820), (61, 331580), (118, 171410), (122, 165790), (236, 85705), (244, 82895), (281, 71980), (295, 68564), (305, 66316), (562, 35990), (590, 34282), (610, 33158), (1124, 17995), (1180, 17141), (1220, 16579), (1405, 14396), (2810, 7198), (3599, 5620)]