20554794

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 72

約数和(自身を含む): 50101740

約数和(自身を除く): 29546946

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 169, 174, 233, 234, 261, 338, 377, 466, 507, 522, 699, 754, 1014, 1131, 1398, 1521, 2097, 2262, 3029, 3042, 3393, 4194, 4901, 6058, 6757, 6786, 9087, 9802, 13514, 14703, 18174, 20271, 27261, 29406, 39377, 40542, 44109, 54522, 60813, 78754, 87841, 88218, 118131, 121626, 175682, 236262, 263523, 354393, 527046, 708786, 790569, 1141933, 1581138, 2283866, 3425799, 6851598, 10277397, 20554794]

約数ペア:

[(1, 20554794), (2, 10277397), (3, 6851598), (6, 3425799), (9, 2283866), (13, 1581138), (18, 1141933), (26, 790569), (29, 708786), (39, 527046), (58, 354393), (78, 263523), (87, 236262), (117, 175682), (169, 121626), (174, 118131), (233, 88218), (234, 87841), (261, 78754), (338, 60813), (377, 54522), (466, 44109), (507, 40542), (522, 39377), (699, 29406), (754, 27261), (1014, 20271), (1131, 18174), (1398, 14703), (1521, 13514), (2097, 9802), (2262, 9087), (3029, 6786), (3042, 6757), (3393, 6058), (4194, 4901)]