20904390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1094

約数の個数: 96

約数和(自身を含む): 62034336

約数和(自身を除く): 41129946

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1051, 1105, 1170, 1326, 1530, 1989, 2102, 2210, 3153, 3315, 3978, 5255, 6306, 6630, 9459, 9945, 10510, 13663, 15765, 17867, 18918, 19890, 27326, 31530, 35734, 40989, 47295, 53601, 68315, 81978, 89335, 94590, 107202, 122967, 136630, 160803, 178670, 204945, 232271, 245934, 268005, 321606, 409890, 464542, 536010, 614835, 696813, 804015, 1161355, 1229670, 1393626, 1608030, 2090439, 2322710, 3484065, 4180878, 6968130, 10452195, 20904390]

約数ペア:

[(1, 20904390), (2, 10452195), (3, 6968130), (5, 4180878), (6, 3484065), (9, 2322710), (10, 2090439), (13, 1608030), (15, 1393626), (17, 1229670), (18, 1161355), (26, 804015), (30, 696813), (34, 614835), (39, 536010), (45, 464542), (51, 409890), (65, 321606), (78, 268005), (85, 245934), (90, 232271), (102, 204945), (117, 178670), (130, 160803), (153, 136630), (170, 122967), (195, 107202), (221, 94590), (234, 89335), (255, 81978), (306, 68315), (390, 53601), (442, 47295), (510, 40989), (585, 35734), (663, 31530), (765, 27326), (1051, 19890), (1105, 18918), (1170, 17867), (1326, 15765), (1530, 13663), (1989, 10510), (2102, 9945), (2210, 9459), (3153, 6630), (3315, 6306), (3978, 5255)]