20704140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1667}}^1$

素因数の和:1708

約数の個数: 96

約数和(自身を含む): 67253760

約数和(自身を除く): 46549620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 1667, 2070, 2484, 3105, 3334, 4140, 5001, 6210, 6668, 8335, 10002, 12420, 15003, 16670, 20004, 25005, 30006, 33340, 38341, 45009, 50010, 60012, 75015, 76682, 90018, 100020, 115023, 150030, 153364, 180036, 191705, 225045, 230046, 300060, 345069, 383410, 450090, 460092, 575115, 690138, 766820, 900180, 1035207, 1150230, 1380276, 1725345, 2070414, 2300460, 3450690, 4140828, 5176035, 6901380, 10352070, 20704140]

約数ペア:

[(1, 20704140), (2, 10352070), (3, 6901380), (4, 5176035), (5, 4140828), (6, 3450690), (9, 2300460), (10, 2070414), (12, 1725345), (15, 1380276), (18, 1150230), (20, 1035207), (23, 900180), (27, 766820), (30, 690138), (36, 575115), (45, 460092), (46, 450090), (54, 383410), (60, 345069), (69, 300060), (90, 230046), (92, 225045), (108, 191705), (115, 180036), (135, 153364), (138, 150030), (180, 115023), (207, 100020), (230, 90018), (270, 76682), (276, 75015), (345, 60012), (414, 50010), (460, 45009), (540, 38341), (621, 33340), (690, 30006), (828, 25005), (1035, 20004), (1242, 16670), (1380, 15003), (1667, 12420), (2070, 10002), (2484, 8335), (3105, 6668), (3334, 6210), (4140, 5001)]