20970832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 43256160

約数和(自身を除く): 22285328

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 683, 808, 1366, 1616, 1919, 2732, 3838, 5464, 7676, 10928, 12977, 15352, 25954, 30704, 51908, 68983, 103816, 137966, 207632, 275932, 551864, 1103728, 1310677, 2621354, 5242708, 10485416, 20970832]

約数ペア:

[(1, 20970832), (2, 10485416), (4, 5242708), (8, 2621354), (16, 1310677), (19, 1103728), (38, 551864), (76, 275932), (101, 207632), (152, 137966), (202, 103816), (304, 68983), (404, 51908), (683, 30704), (808, 25954), (1366, 15352), (1616, 12977), (1919, 10928), (2732, 7676), (3838, 5464)]