20856880026

素因数分解:

$2^1\times 3^5\times {\mathrm{61}}^1\times {\mathrm{703531}}^1$

素因数の和:703609

約数の個数: 48

約数和(自身を含む): 47631930528

約数和(自身を除く): 26775050502

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 243, 366, 486, 549, 1098, 1647, 3294, 4941, 9882, 14823, 29646, 703531, 1407062, 2110593, 4221186, 6331779, 12663558, 18995337, 37990674, 42915391, 56986011, 85830782, 113972022, 128746173, 170958033, 257492346, 341916066, 386238519, 772477038, 1158715557, 2317431114, 3476146671, 6952293342, 10428440013, 20856880026]

約数ペア:

[(1, 20856880026), (2, 10428440013), (3, 6952293342), (6, 3476146671), (9, 2317431114), (18, 1158715557), (27, 772477038), (54, 386238519), (61, 341916066), (81, 257492346), (122, 170958033), (162, 128746173), (183, 113972022), (243, 85830782), (366, 56986011), (486, 42915391), (549, 37990674), (1098, 18995337), (1647, 12663558), (3294, 6331779), (4941, 4221186), (9882, 2110593), (14823, 1407062), (29646, 703531)]