20579184

素因数分解:

$2^4\times 3^5\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 120

約数和(自身を含む): 61384960

約数和(自身を除く): 40805776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 67, 72, 79, 81, 108, 134, 144, 158, 162, 201, 216, 237, 243, 268, 316, 324, 402, 432, 474, 486, 536, 603, 632, 648, 711, 804, 948, 972, 1072, 1206, 1264, 1296, 1422, 1608, 1809, 1896, 1944, 2133, 2412, 2844, 3216, 3618, 3792, 3888, 4266, 4824, 5293, 5427, 5688, 6399, 7236, 8532, 9648, 10586, 10854, 11376, 12798, 14472, 15879, 16281, 17064, 19197, 21172, 21708, 25596, 28944, 31758, 32562, 34128, 38394, 42344, 43416, 47637, 51192, 63516, 65124, 76788, 84688, 86832, 95274, 102384, 127032, 130248, 142911, 153576, 190548, 254064, 260496, 285822, 307152, 381096, 428733, 571644, 762192, 857466, 1143288, 1286199, 1714932, 2286576, 2572398, 3429864, 5144796, 6859728, 10289592, 20579184]

約数ペア:

[(1, 20579184), (2, 10289592), (3, 6859728), (4, 5144796), (6, 3429864), (8, 2572398), (9, 2286576), (12, 1714932), (16, 1286199), (18, 1143288), (24, 857466), (27, 762192), (36, 571644), (48, 428733), (54, 381096), (67, 307152), (72, 285822), (79, 260496), (81, 254064), (108, 190548), (134, 153576), (144, 142911), (158, 130248), (162, 127032), (201, 102384), (216, 95274), (237, 86832), (243, 84688), (268, 76788), (316, 65124), (324, 63516), (402, 51192), (432, 47637), (474, 43416), (486, 42344), (536, 38394), (603, 34128), (632, 32562), (648, 31758), (711, 28944), (804, 25596), (948, 21708), (972, 21172), (1072, 19197), (1206, 17064), (1264, 16281), (1296, 15879), (1422, 14472), (1608, 12798), (1809, 11376), (1896, 10854), (1944, 10586), (2133, 9648), (2412, 8532), (2844, 7236), (3216, 6399), (3618, 5688), (3792, 5427), (3888, 5293), (4266, 4824)]