2022020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 5757696

約数和(自身を除く): 3735676

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 101, 110, 130, 140, 143, 154, 182, 202, 220, 260, 286, 308, 364, 385, 404, 455, 505, 572, 707, 715, 770, 910, 1001, 1010, 1111, 1313, 1414, 1430, 1540, 1820, 2002, 2020, 2222, 2626, 2828, 2860, 3535, 4004, 4444, 5005, 5252, 5555, 6565, 7070, 7777, 9191, 10010, 11110, 13130, 14140, 14443, 15554, 18382, 20020, 22220, 26260, 28886, 31108, 36764, 38885, 45955, 57772, 72215, 77770, 91910, 101101, 144430, 155540, 183820, 202202, 288860, 404404, 505505, 1011010, 2022020]

約数ペア:

[(1, 2022020), (2, 1011010), (4, 505505), (5, 404404), (7, 288860), (10, 202202), (11, 183820), (13, 155540), (14, 144430), (20, 101101), (22, 91910), (26, 77770), (28, 72215), (35, 57772), (44, 45955), (52, 38885), (55, 36764), (65, 31108), (70, 28886), (77, 26260), (91, 22220), (101, 20020), (110, 18382), (130, 15554), (140, 14443), (143, 14140), (154, 13130), (182, 11110), (202, 10010), (220, 9191), (260, 7777), (286, 7070), (308, 6565), (364, 5555), (385, 5252), (404, 5005), (455, 4444), (505, 4004), (572, 3535), (707, 2860), (715, 2828), (770, 2626), (910, 2222), (1001, 2020), (1010, 2002), (1111, 1820), (1313, 1540), (1414, 1430)]