20467116

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 55901664

約数和(自身を除く): 35434548

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 53, 68, 102, 106, 153, 159, 204, 212, 306, 318, 477, 612, 631, 636, 901, 954, 1262, 1802, 1893, 1908, 2524, 2703, 3604, 3786, 5406, 5679, 7572, 8109, 10727, 10812, 11358, 16218, 21454, 22716, 32181, 32436, 33443, 42908, 64362, 66886, 96543, 100329, 128724, 133772, 193086, 200658, 300987, 386172, 401316, 568531, 601974, 1137062, 1203948, 1705593, 2274124, 3411186, 5116779, 6822372, 10233558, 20467116]

約数ペア:

[(1, 20467116), (2, 10233558), (3, 6822372), (4, 5116779), (6, 3411186), (9, 2274124), (12, 1705593), (17, 1203948), (18, 1137062), (34, 601974), (36, 568531), (51, 401316), (53, 386172), (68, 300987), (102, 200658), (106, 193086), (153, 133772), (159, 128724), (204, 100329), (212, 96543), (306, 66886), (318, 64362), (477, 42908), (612, 33443), (631, 32436), (636, 32181), (901, 22716), (954, 21454), (1262, 16218), (1802, 11358), (1893, 10812), (1908, 10727), (2524, 8109), (2703, 7572), (3604, 5679), (3786, 5406)]