20121646500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4471477}}^1$

素因数の和:4471502

約数の個数: 72

約数和(自身を含む): 63477101688

約数和(自身を除く): 43355455188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4471477, 8942954, 13414431, 17885908, 22357385, 26828862, 40243293, 44714770, 53657724, 67072155, 80486586, 89429540, 111786925, 134144310, 160973172, 201216465, 223573850, 268288620, 335360775, 402432930, 447147700, 558934625, 670721550, 804865860, 1006082325, 1117869250, 1341443100, 1676803875, 2012164650, 2235738500, 3353607750, 4024329300, 5030411625, 6707215500, 10060823250, 20121646500]

約数ペア:

[(1, 20121646500), (2, 10060823250), (3, 6707215500), (4, 5030411625), (5, 4024329300), (6, 3353607750), (9, 2235738500), (10, 2012164650), (12, 1676803875), (15, 1341443100), (18, 1117869250), (20, 1006082325), (25, 804865860), (30, 670721550), (36, 558934625), (45, 447147700), (50, 402432930), (60, 335360775), (75, 268288620), (90, 223573850), (100, 201216465), (125, 160973172), (150, 134144310), (180, 111786925), (225, 89429540), (250, 80486586), (300, 67072155), (375, 53657724), (450, 44714770), (500, 40243293), (750, 26828862), (900, 22357385), (1125, 17885908), (1500, 13414431), (2250, 8942954), (4500, 4471477)]