20422428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 54792192

約数和(自身を除く): 34369764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 41, 52, 62, 78, 82, 93, 103, 123, 124, 156, 164, 186, 206, 246, 309, 372, 403, 412, 492, 533, 618, 806, 1066, 1209, 1236, 1271, 1339, 1599, 1612, 2132, 2418, 2542, 2678, 3193, 3198, 3813, 4017, 4223, 4836, 5084, 5356, 6386, 6396, 7626, 8034, 8446, 9579, 12669, 12772, 15252, 16068, 16523, 16892, 19158, 25338, 33046, 38316, 41509, 49569, 50676, 54899, 66092, 83018, 99138, 109798, 124527, 130913, 164697, 166036, 198276, 219596, 249054, 261826, 329394, 392739, 498108, 523652, 658788, 785478, 1570956, 1701869, 3403738, 5105607, 6807476, 10211214, 20422428]

約数ペア:

[(1, 20422428), (2, 10211214), (3, 6807476), (4, 5105607), (6, 3403738), (12, 1701869), (13, 1570956), (26, 785478), (31, 658788), (39, 523652), (41, 498108), (52, 392739), (62, 329394), (78, 261826), (82, 249054), (93, 219596), (103, 198276), (123, 166036), (124, 164697), (156, 130913), (164, 124527), (186, 109798), (206, 99138), (246, 83018), (309, 66092), (372, 54899), (403, 50676), (412, 49569), (492, 41509), (533, 38316), (618, 33046), (806, 25338), (1066, 19158), (1209, 16892), (1236, 16523), (1271, 16068), (1339, 15252), (1599, 12772), (1612, 12669), (2132, 9579), (2418, 8446), (2542, 8034), (2678, 7626), (3193, 6396), (3198, 6386), (3813, 5356), (4017, 5084), (4223, 4836)]