20198280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{599}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 60912000

約数和(自身を除く): 40713720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 281, 562, 599, 843, 1124, 1198, 1405, 1686, 1797, 2248, 2396, 2810, 2995, 3372, 3594, 4215, 4792, 5620, 5990, 6744, 7188, 8430, 8985, 11240, 11980, 14376, 16860, 17970, 23960, 33720, 35940, 71880, 168319, 336638, 504957, 673276, 841595, 1009914, 1346552, 1683190, 2019828, 2524785, 3366380, 4039656, 5049570, 6732760, 10099140, 20198280]

約数ペア:

[(1, 20198280), (2, 10099140), (3, 6732760), (4, 5049570), (5, 4039656), (6, 3366380), (8, 2524785), (10, 2019828), (12, 1683190), (15, 1346552), (20, 1009914), (24, 841595), (30, 673276), (40, 504957), (60, 336638), (120, 168319), (281, 71880), (562, 35940), (599, 33720), (843, 23960), (1124, 17970), (1198, 16860), (1405, 14376), (1686, 11980), (1797, 11240), (2248, 8985), (2396, 8430), (2810, 7188), (2995, 6744), (3372, 5990), (3594, 5620), (4215, 4792)]