20036380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 52778880

約数和(自身を除く): 32742500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 101, 109, 130, 140, 182, 202, 218, 260, 364, 404, 436, 455, 505, 545, 707, 763, 910, 1010, 1090, 1313, 1414, 1417, 1526, 1820, 2020, 2180, 2626, 2828, 2834, 3052, 3535, 3815, 5252, 5668, 6565, 7070, 7085, 7630, 9191, 9919, 11009, 13130, 14140, 14170, 15260, 18382, 19838, 22018, 26260, 28340, 36764, 39676, 44036, 45955, 49595, 55045, 77063, 91910, 99190, 110090, 143117, 154126, 183820, 198380, 220180, 286234, 308252, 385315, 572468, 715585, 770630, 1001819, 1431170, 1541260, 2003638, 2862340, 4007276, 5009095, 10018190, 20036380]

約数ペア:

[(1, 20036380), (2, 10018190), (4, 5009095), (5, 4007276), (7, 2862340), (10, 2003638), (13, 1541260), (14, 1431170), (20, 1001819), (26, 770630), (28, 715585), (35, 572468), (52, 385315), (65, 308252), (70, 286234), (91, 220180), (101, 198380), (109, 183820), (130, 154126), (140, 143117), (182, 110090), (202, 99190), (218, 91910), (260, 77063), (364, 55045), (404, 49595), (436, 45955), (455, 44036), (505, 39676), (545, 36764), (707, 28340), (763, 26260), (910, 22018), (1010, 19838), (1090, 18382), (1313, 15260), (1414, 14170), (1417, 14140), (1526, 13130), (1820, 11009), (2020, 9919), (2180, 9191), (2626, 7630), (2828, 7085), (2834, 7070), (3052, 6565), (3535, 5668), (3815, 5252)]