20165593574

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{7841}}^1$

素因数の和:8050

約数の個数: 64

約数和(自身を含む): 37039334400

約数和(自身を除く): 16873740826

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 163, 322, 326, 343, 686, 1127, 1141, 2254, 2282, 3749, 7498, 7841, 7889, 7987, 15682, 15778, 15974, 26243, 52486, 54887, 55909, 109774, 111818, 180343, 183701, 360686, 367402, 384209, 768418, 1262401, 1278083, 1285907, 2524802, 2556166, 2571814, 2689463, 5378926, 8836807, 8946581, 17673614, 17893162, 29395909, 58791818, 61857649, 62626067, 123715298, 125252134, 205771363, 411542726, 438382469, 876764938, 1440399541, 2880799082, 10082796787, 20165593574]

約数ペア:

[(1, 20165593574), (2, 10082796787), (7, 2880799082), (14, 1440399541), (23, 876764938), (46, 438382469), (49, 411542726), (98, 205771363), (161, 125252134), (163, 123715298), (322, 62626067), (326, 61857649), (343, 58791818), (686, 29395909), (1127, 17893162), (1141, 17673614), (2254, 8946581), (2282, 8836807), (3749, 5378926), (7498, 2689463), (7841, 2571814), (7889, 2556166), (7987, 2524802), (15682, 1285907), (15778, 1278083), (15974, 1262401), (26243, 768418), (52486, 384209), (54887, 367402), (55909, 360686), (109774, 183701), (111818, 180343)]