20954505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9769}}^1$

素因数の和:9801

約数の個数: 32

約数和(自身を含む): 39392640

約数和(自身を除く): 18438135

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9769, 29307, 48845, 107459, 126997, 146535, 322377, 380991, 537295, 634985, 1396967, 1611885, 1904955, 4190901, 6984835, 20954505]

約数ペア:

[(1, 20954505), (3, 6984835), (5, 4190901), (11, 1904955), (13, 1611885), (15, 1396967), (33, 634985), (39, 537295), (55, 380991), (65, 322377), (143, 146535), (165, 126997), (195, 107459), (429, 48845), (715, 29307), (2145, 9769)]