20199256220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{96749}}^1$

素因数の和:96855

約数の個数: 96

約数和(自身を含む): 50517432000

約数和(自身を除く): 30318175780

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 73, 110, 130, 143, 146, 220, 260, 286, 292, 365, 572, 715, 730, 803, 949, 1430, 1460, 1606, 1898, 2860, 3212, 3796, 4015, 4745, 8030, 9490, 10439, 16060, 18980, 20878, 41756, 52195, 96749, 104390, 193498, 208780, 386996, 483745, 967490, 1064239, 1257737, 1934980, 2128478, 2515474, 4256956, 5030948, 5321195, 6288685, 7062677, 10642390, 12577370, 13835107, 14125354, 21284780, 25154740, 27670214, 28250708, 35313385, 55340428, 69175535, 70626770, 77689447, 91814801, 138351070, 141253540, 155378894, 183629602, 276702140, 310757788, 367259204, 388447235, 459074005, 776894470, 918148010, 1009962811, 1553788940, 1836296020, 2019925622, 4039851244, 5049814055, 10099628110, 20199256220]

約数ペア:

[(1, 20199256220), (2, 10099628110), (4, 5049814055), (5, 4039851244), (10, 2019925622), (11, 1836296020), (13, 1553788940), (20, 1009962811), (22, 918148010), (26, 776894470), (44, 459074005), (52, 388447235), (55, 367259204), (65, 310757788), (73, 276702140), (110, 183629602), (130, 155378894), (143, 141253540), (146, 138351070), (220, 91814801), (260, 77689447), (286, 70626770), (292, 69175535), (365, 55340428), (572, 35313385), (715, 28250708), (730, 27670214), (803, 25154740), (949, 21284780), (1430, 14125354), (1460, 13835107), (1606, 12577370), (1898, 10642390), (2860, 7062677), (3212, 6288685), (3796, 5321195), (4015, 5030948), (4745, 4256956), (8030, 2515474), (9490, 2128478), (10439, 1934980), (16060, 1257737), (18980, 1064239), (20878, 967490), (41756, 483745), (52195, 386996), (96749, 208780), (104390, 193498)]