20994192

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4703}}^1$

素因数の和:4748

約数の個数: 60

約数和(自身を含む): 60662784

約数和(自身を除く): 39668592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4703, 9406, 14109, 18812, 28218, 37624, 42327, 56436, 75248, 84654, 112872, 145793, 169308, 225744, 291586, 338616, 437379, 583172, 677232, 874758, 1166344, 1312137, 1749516, 2332688, 2624274, 3499032, 5248548, 6998064, 10497096, 20994192]

約数ペア:

[(1, 20994192), (2, 10497096), (3, 6998064), (4, 5248548), (6, 3499032), (8, 2624274), (9, 2332688), (12, 1749516), (16, 1312137), (18, 1166344), (24, 874758), (31, 677232), (36, 583172), (48, 437379), (62, 338616), (72, 291586), (93, 225744), (124, 169308), (144, 145793), (186, 112872), (248, 84654), (279, 75248), (372, 56436), (496, 42327), (558, 37624), (744, 28218), (1116, 18812), (1488, 14109), (2232, 9406), (4464, 4703)]