20296728

素因数分解:

$2^3\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1231}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 55255200

約数和(自身を除く): 34958472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 229, 458, 687, 916, 1231, 1374, 1832, 2061, 2462, 2748, 3693, 4122, 4924, 5496, 7386, 8244, 9848, 11079, 14772, 16488, 22158, 29544, 44316, 88632, 281899, 563798, 845697, 1127596, 1691394, 2255192, 2537091, 3382788, 5074182, 6765576, 10148364, 20296728]

約数ペア:

[(1, 20296728), (2, 10148364), (3, 6765576), (4, 5074182), (6, 3382788), (8, 2537091), (9, 2255192), (12, 1691394), (18, 1127596), (24, 845697), (36, 563798), (72, 281899), (229, 88632), (458, 44316), (687, 29544), (916, 22158), (1231, 16488), (1374, 14772), (1832, 11079), (2061, 9848), (2462, 8244), (2748, 7386), (3693, 5496), (4122, 4924)]