20695860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4999}}^1$

素因数の和:5037

約数の個数: 72

約数和(自身を含む): 65520000

約数和(自身を除く): 44824140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4999, 9998, 14997, 19996, 24995, 29994, 44991, 49990, 59988, 74985, 89982, 99980, 114977, 149970, 179964, 224955, 229954, 299940, 344931, 449910, 459908, 574885, 689862, 899820, 1034793, 1149770, 1379724, 1724655, 2069586, 2299540, 3449310, 4139172, 5173965, 6898620, 10347930, 20695860]

約数ペア:

[(1, 20695860), (2, 10347930), (3, 6898620), (4, 5173965), (5, 4139172), (6, 3449310), (9, 2299540), (10, 2069586), (12, 1724655), (15, 1379724), (18, 1149770), (20, 1034793), (23, 899820), (30, 689862), (36, 574885), (45, 459908), (46, 449910), (60, 344931), (69, 299940), (90, 229954), (92, 224955), (115, 179964), (138, 149970), (180, 114977), (207, 99980), (230, 89982), (276, 74985), (345, 59988), (414, 49990), (460, 44991), (690, 29994), (828, 24995), (1035, 19996), (1380, 14997), (2070, 9998), (4140, 4999)]