20255520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2258

約数の個数: 96

約数和(自身を含む): 67193280

約数和(自身を除く): 46937760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2221, 2280, 3040, 4442, 4560, 6663, 8884, 9120, 11105, 13326, 17768, 22210, 26652, 33315, 35536, 42199, 44420, 53304, 66630, 71072, 84398, 88840, 106608, 126597, 133260, 168796, 177680, 210995, 213216, 253194, 266520, 337592, 355360, 421990, 506388, 533040, 632985, 675184, 843980, 1012776, 1066080, 1265970, 1350368, 1687960, 2025552, 2531940, 3375920, 4051104, 5063880, 6751840, 10127760, 20255520]

約数ペア:

[(1, 20255520), (2, 10127760), (3, 6751840), (4, 5063880), (5, 4051104), (6, 3375920), (8, 2531940), (10, 2025552), (12, 1687960), (15, 1350368), (16, 1265970), (19, 1066080), (20, 1012776), (24, 843980), (30, 675184), (32, 632985), (38, 533040), (40, 506388), (48, 421990), (57, 355360), (60, 337592), (76, 266520), (80, 253194), (95, 213216), (96, 210995), (114, 177680), (120, 168796), (152, 133260), (160, 126597), (190, 106608), (228, 88840), (240, 84398), (285, 71072), (304, 66630), (380, 53304), (456, 44420), (480, 42199), (570, 35536), (608, 33315), (760, 26652), (912, 22210), (1140, 17768), (1520, 13326), (1824, 11105), (2221, 9120), (2280, 8884), (3040, 6663), (4442, 4560)]