20343335131

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 25538867200

約数和(自身を除く): 5195532069

約数列:

[1, 7, 19, 43, 133, 139, 157, 163, 301, 817, 973, 1099, 1141, 2641, 2983, 3097, 5719, 5977, 6751, 7009, 18487, 20881, 21679, 21823, 22657, 25591, 41839, 47257, 49063, 113563, 128269, 133171, 152761, 158599, 179137, 414637, 430483, 486229, 794941, 897883, 932197, 938389, 974251, 1100413, 2902459, 3013381, 3403603, 3557149, 6568723, 6819757, 7702891, 17829391, 18510769, 20907847, 24900043, 67585831, 124805737, 129575383, 146354929, 152957407, 473100817, 1070701849, 2906190733, 20343335131]

約数ペア:

[(1, 20343335131), (7, 2906190733), (19, 1070701849), (43, 473100817), (133, 152957407), (139, 146354929), (157, 129575383), (163, 124805737), (301, 67585831), (817, 24900043), (973, 20907847), (1099, 18510769), (1141, 17829391), (2641, 7702891), (2983, 6819757), (3097, 6568723), (5719, 3557149), (5977, 3403603), (6751, 3013381), (7009, 2902459), (18487, 1100413), (20881, 974251), (21679, 938389), (21823, 932197), (22657, 897883), (25591, 794941), (41839, 486229), (47257, 430483), (49063, 414637), (113563, 179137), (128269, 158599), (133171, 152761)]