20382720

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1327}}^1$

素因数の和:1355

約数の個数: 88

約数和(自身を含む): 65241984

約数和(自身を除く): 44859264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1327, 1536, 1920, 2560, 2654, 3072, 3840, 3981, 5120, 5308, 6635, 7680, 7962, 10616, 13270, 15360, 15924, 19905, 21232, 26540, 31848, 39810, 42464, 53080, 63696, 79620, 84928, 106160, 127392, 159240, 169856, 212320, 254784, 318480, 339712, 424640, 509568, 636960, 679424, 849280, 1019136, 1273920, 1358848, 1698560, 2038272, 2547840, 3397120, 4076544, 5095680, 6794240, 10191360, 20382720]

約数ペア:

[(1, 20382720), (2, 10191360), (3, 6794240), (4, 5095680), (5, 4076544), (6, 3397120), (8, 2547840), (10, 2038272), (12, 1698560), (15, 1358848), (16, 1273920), (20, 1019136), (24, 849280), (30, 679424), (32, 636960), (40, 509568), (48, 424640), (60, 339712), (64, 318480), (80, 254784), (96, 212320), (120, 169856), (128, 159240), (160, 127392), (192, 106160), (240, 84928), (256, 79620), (320, 63696), (384, 53080), (480, 42464), (512, 39810), (640, 31848), (768, 26540), (960, 21232), (1024, 19905), (1280, 15924), (1327, 15360), (1536, 13270), (1920, 10616), (2560, 7962), (2654, 7680), (3072, 6635), (3840, 5308), (3981, 5120)]