20108308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 21018092

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 67, 76, 134, 209, 268, 359, 418, 718, 737, 836, 1273, 1436, 1474, 2546, 2948, 3949, 5092, 6821, 7898, 13642, 14003, 15796, 24053, 27284, 28006, 48106, 56012, 75031, 96212, 150062, 264583, 300124, 457007, 529166, 914014, 1058332, 1828028, 5027077, 10054154, 20108308]

約数ペア:

[(1, 20108308), (2, 10054154), (4, 5027077), (11, 1828028), (19, 1058332), (22, 914014), (38, 529166), (44, 457007), (67, 300124), (76, 264583), (134, 150062), (209, 96212), (268, 75031), (359, 56012), (418, 48106), (718, 28006), (737, 27284), (836, 24053), (1273, 15796), (1436, 14003), (1474, 13642), (2546, 7898), (2948, 6821), (3949, 5092)]