20814030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 56033280

約数和(自身を除く): 35219250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 127, 135, 254, 270, 381, 607, 635, 762, 1143, 1214, 1270, 1821, 1905, 2286, 3035, 3429, 3642, 3810, 5463, 5715, 6070, 6858, 9105, 10926, 11430, 16389, 17145, 18210, 27315, 32778, 34290, 54630, 77089, 81945, 154178, 163890, 231267, 385445, 462534, 693801, 770890, 1156335, 1387602, 2081403, 2312670, 3469005, 4162806, 6938010, 10407015, 20814030]

約数ペア:

[(1, 20814030), (2, 10407015), (3, 6938010), (5, 4162806), (6, 3469005), (9, 2312670), (10, 2081403), (15, 1387602), (18, 1156335), (27, 770890), (30, 693801), (45, 462534), (54, 385445), (90, 231267), (127, 163890), (135, 154178), (254, 81945), (270, 77089), (381, 54630), (607, 34290), (635, 32778), (762, 27315), (1143, 18210), (1214, 17145), (1270, 16389), (1821, 11430), (1905, 10926), (2286, 9105), (3035, 6858), (3429, 6070), (3642, 5715), (3810, 5463)]