20458668

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 51107840

約数和(自身を除く): 30649172

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 76, 114, 122, 183, 228, 244, 366, 732, 1159, 1471, 2318, 2942, 3477, 4413, 4636, 5884, 6954, 8826, 13908, 17652, 27949, 55898, 83847, 89731, 111796, 167694, 179462, 269193, 335388, 358924, 538386, 1076772, 1704889, 3409778, 5114667, 6819556, 10229334, 20458668]

約数ペア:

[(1, 20458668), (2, 10229334), (3, 6819556), (4, 5114667), (6, 3409778), (12, 1704889), (19, 1076772), (38, 538386), (57, 358924), (61, 335388), (76, 269193), (114, 179462), (122, 167694), (183, 111796), (228, 89731), (244, 83847), (366, 55898), (732, 27949), (1159, 17652), (1471, 13908), (2318, 8826), (2942, 6954), (3477, 5884), (4413, 4636)]