20279100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2939}}^1$

素因数の和:2979

約数の個数: 72

約数和(自身を含む): 61246080

約数和(自身を除く): 40966980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 2939, 3450, 5878, 6900, 8817, 11756, 14695, 17634, 29390, 35268, 44085, 58780, 67597, 73475, 88170, 135194, 146950, 176340, 202791, 220425, 270388, 293900, 337985, 405582, 440850, 675970, 811164, 881700, 1013955, 1351940, 1689925, 2027910, 3379850, 4055820, 5069775, 6759700, 10139550, 20279100]

約数ペア:

[(1, 20279100), (2, 10139550), (3, 6759700), (4, 5069775), (5, 4055820), (6, 3379850), (10, 2027910), (12, 1689925), (15, 1351940), (20, 1013955), (23, 881700), (25, 811164), (30, 675970), (46, 440850), (50, 405582), (60, 337985), (69, 293900), (75, 270388), (92, 220425), (100, 202791), (115, 176340), (138, 146950), (150, 135194), (230, 88170), (276, 73475), (300, 67597), (345, 58780), (460, 44085), (575, 35268), (690, 29390), (1150, 17634), (1380, 14695), (1725, 11756), (2300, 8817), (2939, 6900), (3450, 5878)]