20995228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12011}}^1$

素因数の和:12057

約数の個数: 24

約数和(自身を含む): 40360320

約数和(自身を除く): 19365092

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12011, 24022, 48044, 228209, 276253, 456418, 552506, 912836, 1105012, 5248807, 10497614, 20995228]

約数ペア:

[(1, 20995228), (2, 10497614), (4, 5248807), (19, 1105012), (23, 912836), (38, 552506), (46, 456418), (76, 276253), (92, 228209), (437, 48044), (874, 24022), (1748, 12011)]