20926416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 62857088

約数和(自身を除く): 41930672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 1021, 1281, 1464, 1708, 2042, 2562, 2928, 3063, 3416, 4084, 5124, 6126, 6832, 7147, 8168, 10248, 12252, 14294, 16336, 20496, 21441, 24504, 28588, 42882, 49008, 57176, 62281, 85764, 114352, 124562, 171528, 186843, 249124, 343056, 373686, 435967, 498248, 747372, 871934, 996496, 1307901, 1494744, 1743868, 2615802, 2989488, 3487736, 5231604, 6975472, 10463208, 20926416]

約数ペア:

[(1, 20926416), (2, 10463208), (3, 6975472), (4, 5231604), (6, 3487736), (7, 2989488), (8, 2615802), (12, 1743868), (14, 1494744), (16, 1307901), (21, 996496), (24, 871934), (28, 747372), (42, 498248), (48, 435967), (56, 373686), (61, 343056), (84, 249124), (112, 186843), (122, 171528), (168, 124562), (183, 114352), (244, 85764), (336, 62281), (366, 57176), (427, 49008), (488, 42882), (732, 28588), (854, 24504), (976, 21441), (1021, 20496), (1281, 16336), (1464, 14294), (1708, 12252), (2042, 10248), (2562, 8168), (2928, 7147), (3063, 6832), (3416, 6126), (4084, 5124)]