20921984952

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1686169}}^1$

素因数の和:1686236

約数の個数: 64

約数和(自身を含む): 58274035200

約数和(自身を除く): 37352050248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 47, 66, 88, 94, 132, 141, 188, 264, 282, 376, 517, 564, 1034, 1128, 1551, 2068, 3102, 4136, 6204, 12408, 1686169, 3372338, 5058507, 6744676, 10117014, 13489352, 18547859, 20234028, 37095718, 40468056, 55643577, 74191436, 79249943, 111287154, 148382872, 158499886, 222574308, 237749829, 316999772, 445148616, 475499658, 633999544, 871749373, 950999316, 1743498746, 1901998632, 2615248119, 3486997492, 5230496238, 6973994984, 10460992476, 20921984952]

約数ペア:

[(1, 20921984952), (2, 10460992476), (3, 6973994984), (4, 5230496238), (6, 3486997492), (8, 2615248119), (11, 1901998632), (12, 1743498746), (22, 950999316), (24, 871749373), (33, 633999544), (44, 475499658), (47, 445148616), (66, 316999772), (88, 237749829), (94, 222574308), (132, 158499886), (141, 148382872), (188, 111287154), (264, 79249943), (282, 74191436), (376, 55643577), (517, 40468056), (564, 37095718), (1034, 20234028), (1128, 18547859), (1551, 13489352), (2068, 10117014), (3102, 6744676), (4136, 5058507), (6204, 3372338), (12408, 1686169)]