20095845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 40697856

約数和(自身を除く): 20602011

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 127, 137, 165, 231, 381, 385, 411, 635, 685, 889, 959, 1155, 1397, 1507, 1905, 2055, 2667, 2877, 4191, 4445, 4521, 4795, 6985, 7535, 9779, 10549, 13335, 14385, 17399, 20955, 22605, 29337, 31647, 48895, 52197, 52745, 86995, 121793, 146685, 158235, 191389, 260985, 365379, 574167, 608965, 956945, 1339723, 1826895, 2870835, 4019169, 6698615, 20095845]

約数ペア:

[(1, 20095845), (3, 6698615), (5, 4019169), (7, 2870835), (11, 1826895), (15, 1339723), (21, 956945), (33, 608965), (35, 574167), (55, 365379), (77, 260985), (105, 191389), (127, 158235), (137, 146685), (165, 121793), (231, 86995), (381, 52745), (385, 52197), (411, 48895), (635, 31647), (685, 29337), (889, 22605), (959, 20955), (1155, 17399), (1397, 14385), (1507, 13335), (1905, 10549), (2055, 9779), (2667, 7535), (2877, 6985), (4191, 4795), (4445, 4521)]