20901477584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^2\times {\mathrm{131}}^1$

素因数の和:433

約数の個数: 120

約数和(自身を含む): 45021264288

約数和(自身を除く): 24119786704

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 107, 131, 134, 208, 214, 262, 268, 428, 524, 536, 856, 871, 1048, 1072, 1391, 1703, 1712, 1742, 2096, 2782, 3406, 3484, 5564, 6812, 6968, 7169, 8777, 11128, 11449, 13624, 13936, 14017, 14338, 17554, 22256, 22898, 27248, 28034, 28676, 35108, 45796, 56068, 57352, 70216, 91592, 93197, 112136, 114101, 114704, 140432, 148837, 182221, 183184, 186394, 224272, 228202, 297674, 364442, 372788, 456404, 595348, 728884, 745576, 767083, 912808, 939139, 1190696, 1457768, 1491152, 1499819, 1534166, 1825616, 1878278, 2381392, 2915536, 2999638, 3068332, 3756556, 5999276, 6136664, 7513112, 9972079, 11998552, 12208807, 12273328, 15026224, 19497647, 19944158, 23997104, 24417614, 38995294, 39888316, 48835228, 77990588, 79776632, 97670456, 100487873, 155981176, 159553264, 195340912, 200975746, 311962352, 401951492, 803902984, 1306342349, 1607805968, 2612684698, 5225369396, 10450738792, 20901477584]

約数ペア:

[(1, 20901477584), (2, 10450738792), (4, 5225369396), (8, 2612684698), (13, 1607805968), (16, 1306342349), (26, 803902984), (52, 401951492), (67, 311962352), (104, 200975746), (107, 195340912), (131, 159553264), (134, 155981176), (208, 100487873), (214, 97670456), (262, 79776632), (268, 77990588), (428, 48835228), (524, 39888316), (536, 38995294), (856, 24417614), (871, 23997104), (1048, 19944158), (1072, 19497647), (1391, 15026224), (1703, 12273328), (1712, 12208807), (1742, 11998552), (2096, 9972079), (2782, 7513112), (3406, 6136664), (3484, 5999276), (5564, 3756556), (6812, 3068332), (6968, 2999638), (7169, 2915536), (8777, 2381392), (11128, 1878278), (11449, 1825616), (13624, 1534166), (13936, 1499819), (14017, 1491152), (14338, 1457768), (17554, 1190696), (22256, 939139), (22898, 912808), (27248, 767083), (28034, 745576), (28676, 728884), (35108, 595348), (45796, 456404), (56068, 372788), (57352, 364442), (70216, 297674), (91592, 228202), (93197, 224272), (112136, 186394), (114101, 183184), (114704, 182221), (140432, 148837)]