20148590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 45785088

約数和(自身を除く): 25636498

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 154, 191, 274, 382, 385, 685, 770, 955, 959, 1337, 1370, 1507, 1910, 1918, 2101, 2674, 3014, 4202, 4795, 6685, 7535, 9590, 10505, 10549, 13370, 14707, 15070, 21010, 21098, 26167, 29414, 52334, 52745, 73535, 105490, 130835, 147070, 183169, 261670, 287837, 366338, 575674, 915845, 1439185, 1831690, 2014859, 2878370, 4029718, 10074295, 20148590]

約数ペア:

[(1, 20148590), (2, 10074295), (5, 4029718), (7, 2878370), (10, 2014859), (11, 1831690), (14, 1439185), (22, 915845), (35, 575674), (55, 366338), (70, 287837), (77, 261670), (110, 183169), (137, 147070), (154, 130835), (191, 105490), (274, 73535), (382, 52745), (385, 52334), (685, 29414), (770, 26167), (955, 21098), (959, 21010), (1337, 15070), (1370, 14707), (1507, 13370), (1910, 10549), (1918, 10505), (2101, 9590), (2674, 7535), (3014, 6685), (4202, 4795)]