20259017860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{56713}}^1$

素因数の和:57112

約数の個数: 48

約数和(自身を含む): 43476044976

約数和(自身を除く): 23217027116

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 337, 530, 674, 1060, 1348, 1685, 3370, 6740, 17861, 35722, 56713, 71444, 89305, 113426, 178610, 226852, 283565, 357220, 567130, 1134260, 3005789, 6011578, 12023156, 15028945, 19112281, 30057890, 38224562, 60115780, 76449124, 95561405, 191122810, 382245620, 1012950893, 2025901786, 4051803572, 5064754465, 10129508930, 20259017860]

約数ペア:

[(1, 20259017860), (2, 10129508930), (4, 5064754465), (5, 4051803572), (10, 2025901786), (20, 1012950893), (53, 382245620), (106, 191122810), (212, 95561405), (265, 76449124), (337, 60115780), (530, 38224562), (674, 30057890), (1060, 19112281), (1348, 15028945), (1685, 12023156), (3370, 6011578), (6740, 3005789), (17861, 1134260), (35722, 567130), (56713, 357220), (71444, 283565), (89305, 226852), (113426, 178610)]