20693204

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 44123520

約数和(自身を除く): 23430316

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 266, 388, 401, 532, 679, 802, 1358, 1604, 1843, 2716, 2807, 3686, 5614, 7372, 7619, 11228, 12901, 15238, 25802, 30476, 38897, 51604, 53333, 77794, 106666, 155588, 213332, 272279, 544558, 739043, 1089116, 1478086, 2956172, 5173301, 10346602, 20693204]

約数ペア:

[(1, 20693204), (2, 10346602), (4, 5173301), (7, 2956172), (14, 1478086), (19, 1089116), (28, 739043), (38, 544558), (76, 272279), (97, 213332), (133, 155588), (194, 106666), (266, 77794), (388, 53333), (401, 51604), (532, 38897), (679, 30476), (802, 25802), (1358, 15238), (1604, 12901), (1843, 11228), (2716, 7619), (2807, 7372), (3686, 5614)]