20819484

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27539}}^1$

素因数の和:27559

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 40870116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27539, 55078, 82617, 110156, 165234, 192773, 247851, 330468, 385546, 495702, 578319, 743553, 771092, 991404, 1156638, 1487106, 1734957, 2313276, 2974212, 3469914, 5204871, 6939828, 10409742, 20819484]

約数ペア:

[(1, 20819484), (2, 10409742), (3, 6939828), (4, 5204871), (6, 3469914), (7, 2974212), (9, 2313276), (12, 1734957), (14, 1487106), (18, 1156638), (21, 991404), (27, 771092), (28, 743553), (36, 578319), (42, 495702), (54, 385546), (63, 330468), (84, 247851), (108, 192773), (126, 165234), (189, 110156), (252, 82617), (378, 55078), (756, 27539)]