20897700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1699}}^1$

素因数の和:1757

約数の個数: 72

約数和(自身を含む): 61975200

約数和(自身を除く): 41077500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 205, 246, 300, 410, 492, 615, 820, 1025, 1230, 1699, 2050, 2460, 3075, 3398, 4100, 5097, 6150, 6796, 8495, 10194, 12300, 16990, 20388, 25485, 33980, 42475, 50970, 69659, 84950, 101940, 127425, 139318, 169900, 208977, 254850, 278636, 348295, 417954, 509700, 696590, 835908, 1044885, 1393180, 1741475, 2089770, 3482950, 4179540, 5224425, 6965900, 10448850, 20897700]

約数ペア:

[(1, 20897700), (2, 10448850), (3, 6965900), (4, 5224425), (5, 4179540), (6, 3482950), (10, 2089770), (12, 1741475), (15, 1393180), (20, 1044885), (25, 835908), (30, 696590), (41, 509700), (50, 417954), (60, 348295), (75, 278636), (82, 254850), (100, 208977), (123, 169900), (150, 139318), (164, 127425), (205, 101940), (246, 84950), (300, 69659), (410, 50970), (492, 42475), (615, 33980), (820, 25485), (1025, 20388), (1230, 16990), (1699, 12300), (2050, 10194), (2460, 8495), (3075, 6796), (3398, 6150), (4100, 5097)]