20617350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 56142240

約数和(自身を除く): 35524890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 97, 109, 130, 150, 194, 195, 218, 291, 325, 327, 390, 485, 545, 582, 650, 654, 970, 975, 1090, 1261, 1417, 1455, 1635, 1950, 2425, 2522, 2725, 2834, 2910, 3270, 3783, 4251, 4850, 5450, 6305, 7085, 7275, 7566, 8175, 8502, 10573, 12610, 14170, 14550, 16350, 18915, 21146, 21255, 31525, 31719, 35425, 37830, 42510, 52865, 63050, 63438, 70850, 94575, 105730, 106275, 137449, 158595, 189150, 212550, 264325, 274898, 317190, 412347, 528650, 687245, 792975, 824694, 1374490, 1585950, 2061735, 3436225, 4123470, 6872450, 10308675, 20617350]

約数ペア:

[(1, 20617350), (2, 10308675), (3, 6872450), (5, 4123470), (6, 3436225), (10, 2061735), (13, 1585950), (15, 1374490), (25, 824694), (26, 792975), (30, 687245), (39, 528650), (50, 412347), (65, 317190), (75, 274898), (78, 264325), (97, 212550), (109, 189150), (130, 158595), (150, 137449), (194, 106275), (195, 105730), (218, 94575), (291, 70850), (325, 63438), (327, 63050), (390, 52865), (485, 42510), (545, 37830), (582, 35425), (650, 31719), (654, 31525), (970, 21255), (975, 21146), (1090, 18915), (1261, 16350), (1417, 14550), (1455, 14170), (1635, 12610), (1950, 10573), (2425, 8502), (2522, 8175), (2725, 7566), (2834, 7275), (2910, 7085), (3270, 6305), (3783, 5450), (4251, 4850)]