20423494

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 43436736

約数和(自身を除く): 23013242

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 41, 46, 49, 82, 91, 98, 119, 161, 182, 221, 238, 287, 299, 322, 391, 442, 533, 574, 598, 637, 697, 782, 833, 943, 1066, 1127, 1274, 1394, 1547, 1666, 1886, 2009, 2093, 2254, 2737, 3094, 3731, 4018, 4186, 4879, 5083, 5474, 6601, 7462, 9061, 9758, 10166, 10829, 12259, 13202, 14651, 16031, 18122, 19159, 21658, 24518, 26117, 29302, 32062, 34153, 35581, 38318, 46207, 52234, 63427, 68306, 71162, 85813, 92414, 112217, 126854, 171626, 208403, 224434, 249067, 416806, 443989, 498134, 600691, 785519, 887978, 1201382, 1458821, 1571038, 2917642, 10211747, 20423494]

約数ペア:

[(1, 20423494), (2, 10211747), (7, 2917642), (13, 1571038), (14, 1458821), (17, 1201382), (23, 887978), (26, 785519), (34, 600691), (41, 498134), (46, 443989), (49, 416806), (82, 249067), (91, 224434), (98, 208403), (119, 171626), (161, 126854), (182, 112217), (221, 92414), (238, 85813), (287, 71162), (299, 68306), (322, 63427), (391, 52234), (442, 46207), (533, 38318), (574, 35581), (598, 34153), (637, 32062), (697, 29302), (782, 26117), (833, 24518), (943, 21658), (1066, 19159), (1127, 18122), (1274, 16031), (1394, 14651), (1547, 13202), (1666, 12259), (1886, 10829), (2009, 10166), (2093, 9758), (2254, 9061), (2737, 7462), (3094, 6601), (3731, 5474), (4018, 5083), (4186, 4879)]