20244480

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{659}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 44620320

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, 659, 768, 960, 1024, 1280, 1318, 1536, 1920, 1977, 2048, 2560, 2636, 3072, 3295, 3840, 3954, 5120, 5272, 6144, 6590, 7680, 7908, 9885, 10240, 10544, 13180, 15360, 15816, 19770, 21088, 26360, 30720, 31632, 39540, 42176, 52720, 63264, 79080, 84352, 105440, 126528, 158160, 168704, 210880, 253056, 316320, 337408, 421760, 506112, 632640, 674816, 843520, 1012224, 1265280, 1349632, 1687040, 2024448, 2530560, 3374080, 4048896, 5061120, 6748160, 10122240, 20244480]

約数ペア:

[(1, 20244480), (2, 10122240), (3, 6748160), (4, 5061120), (5, 4048896), (6, 3374080), (8, 2530560), (10, 2024448), (12, 1687040), (15, 1349632), (16, 1265280), (20, 1012224), (24, 843520), (30, 674816), (32, 632640), (40, 506112), (48, 421760), (60, 337408), (64, 316320), (80, 253056), (96, 210880), (120, 168704), (128, 158160), (160, 126528), (192, 105440), (240, 84352), (256, 79080), (320, 63264), (384, 52720), (480, 42176), (512, 39540), (640, 31632), (659, 30720), (768, 26360), (960, 21088), (1024, 19770), (1280, 15816), (1318, 15360), (1536, 13180), (1920, 10544), (1977, 10240), (2048, 9885), (2560, 7908), (2636, 7680), (3072, 6590), (3295, 6144), (3840, 5272), (3954, 5120)]