20802360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{757}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 62762400

約数和(自身を除く): 41960040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 687, 757, 916, 1145, 1374, 1514, 1832, 2271, 2290, 2748, 3028, 3435, 3785, 4542, 4580, 5496, 6056, 6870, 7570, 9084, 9160, 11355, 13740, 15140, 18168, 22710, 27480, 30280, 45420, 90840, 173353, 346706, 520059, 693412, 866765, 1040118, 1386824, 1733530, 2080236, 2600295, 3467060, 4160472, 5200590, 6934120, 10401180, 20802360]

約数ペア:

[(1, 20802360), (2, 10401180), (3, 6934120), (4, 5200590), (5, 4160472), (6, 3467060), (8, 2600295), (10, 2080236), (12, 1733530), (15, 1386824), (20, 1040118), (24, 866765), (30, 693412), (40, 520059), (60, 346706), (120, 173353), (229, 90840), (458, 45420), (687, 30280), (757, 27480), (916, 22710), (1145, 18168), (1374, 15140), (1514, 13740), (1832, 11355), (2271, 9160), (2290, 9084), (2748, 7570), (3028, 6870), (3435, 6056), (3785, 5496), (4542, 4580)]