20016633

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 16755207

約数列:

[1, 3, 7, 13, 17, 19, 21, 39, 51, 57, 91, 119, 133, 221, 227, 247, 273, 323, 357, 399, 663, 681, 741, 969, 1547, 1589, 1729, 2261, 2951, 3859, 4199, 4313, 4641, 4767, 5187, 6783, 8853, 11577, 12597, 12939, 20657, 27013, 29393, 30191, 50167, 56069, 61971, 73321, 81039, 88179, 90573, 150501, 168207, 219963, 351169, 392483, 513247, 953173, 1053507, 1177449, 1539741, 2859519, 6672211, 20016633]

約数ペア:

[(1, 20016633), (3, 6672211), (7, 2859519), (13, 1539741), (17, 1177449), (19, 1053507), (21, 953173), (39, 513247), (51, 392483), (57, 351169), (91, 219963), (119, 168207), (133, 150501), (221, 90573), (227, 88179), (247, 81039), (273, 73321), (323, 61971), (357, 56069), (399, 50167), (663, 30191), (681, 29393), (741, 27013), (969, 20657), (1547, 12939), (1589, 12597), (1729, 11577), (2261, 8853), (2951, 6783), (3859, 5187), (4199, 4767), (4313, 4641)]