20206494

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 55710720

約数和(自身を除く): 35504226

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 61, 63, 66, 77, 99, 122, 126, 154, 183, 198, 231, 239, 366, 427, 462, 478, 549, 671, 693, 717, 854, 1098, 1281, 1342, 1386, 1434, 1673, 2013, 2151, 2562, 2629, 3346, 3843, 4026, 4302, 4697, 5019, 5258, 6039, 7686, 7887, 9394, 10038, 12078, 14091, 14579, 15057, 15774, 18403, 23661, 28182, 29158, 30114, 36806, 42273, 43737, 47322, 55209, 84546, 87474, 102053, 110418, 131211, 160369, 165627, 204106, 262422, 306159, 320738, 331254, 481107, 612318, 918477, 962214, 1122583, 1443321, 1836954, 2245166, 2886642, 3367749, 6735498, 10103247, 20206494]

約数ペア:

[(1, 20206494), (2, 10103247), (3, 6735498), (6, 3367749), (7, 2886642), (9, 2245166), (11, 1836954), (14, 1443321), (18, 1122583), (21, 962214), (22, 918477), (33, 612318), (42, 481107), (61, 331254), (63, 320738), (66, 306159), (77, 262422), (99, 204106), (122, 165627), (126, 160369), (154, 131211), (183, 110418), (198, 102053), (231, 87474), (239, 84546), (366, 55209), (427, 47322), (462, 43737), (478, 42273), (549, 36806), (671, 30114), (693, 29158), (717, 28182), (854, 23661), (1098, 18403), (1281, 15774), (1342, 15057), (1386, 14579), (1434, 14091), (1673, 12078), (2013, 10038), (2151, 9394), (2562, 7887), (2629, 7686), (3346, 6039), (3843, 5258), (4026, 5019), (4302, 4697)]