20854836

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 55823040

約数和(自身を除く): 34968204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 89, 92, 138, 178, 207, 267, 276, 283, 356, 414, 534, 566, 801, 828, 849, 1068, 1132, 1602, 1698, 2047, 2547, 3204, 3396, 4094, 5094, 6141, 6509, 8188, 10188, 12282, 13018, 18423, 19527, 24564, 25187, 26036, 36846, 39054, 50374, 58581, 73692, 75561, 78108, 100748, 117162, 151122, 226683, 234324, 302244, 453366, 579301, 906732, 1158602, 1737903, 2317204, 3475806, 5213709, 6951612, 10427418, 20854836]

約数ペア:

[(1, 20854836), (2, 10427418), (3, 6951612), (4, 5213709), (6, 3475806), (9, 2317204), (12, 1737903), (18, 1158602), (23, 906732), (36, 579301), (46, 453366), (69, 302244), (89, 234324), (92, 226683), (138, 151122), (178, 117162), (207, 100748), (267, 78108), (276, 75561), (283, 73692), (356, 58581), (414, 50374), (534, 39054), (566, 36846), (801, 26036), (828, 25187), (849, 24564), (1068, 19527), (1132, 18423), (1602, 13018), (1698, 12282), (2047, 10188), (2547, 8188), (3204, 6509), (3396, 6141), (4094, 5094)]