20864196

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{3167}}^1$

素因数の和:3241

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 34132284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 2196, 3167, 3294, 6334, 6588, 9501, 12668, 19002, 28503, 38004, 57006, 85509, 114012, 171018, 193187, 342036, 386374, 579561, 772748, 1159122, 1738683, 2318244, 3477366, 5216049, 6954732, 10432098, 20864196]

約数ペア:

[(1, 20864196), (2, 10432098), (3, 6954732), (4, 5216049), (6, 3477366), (9, 2318244), (12, 1738683), (18, 1159122), (27, 772748), (36, 579561), (54, 386374), (61, 342036), (108, 193187), (122, 171018), (183, 114012), (244, 85509), (366, 57006), (549, 38004), (732, 28503), (1098, 19002), (1647, 12668), (2196, 9501), (3167, 6588), (3294, 6334)]