20154077988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{447749}}^1$

素因数の和:447809

約数の個数: 72

約数和(自身を含む): 53357472000

約数和(自身を除く): 33203394012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 121, 124, 132, 186, 242, 341, 363, 372, 484, 682, 726, 1023, 1364, 1452, 2046, 3751, 4092, 7502, 11253, 15004, 22506, 45012, 447749, 895498, 1343247, 1790996, 2686494, 4925239, 5372988, 9850478, 13880219, 14775717, 19700956, 27760438, 29551434, 41640657, 54177629, 55520876, 59102868, 83281314, 108355258, 152682409, 162532887, 166562628, 216710516, 305364818, 325065774, 458047227, 610729636, 650131548, 916094454, 1679506499, 1832188908, 3359012998, 5038519497, 6718025996, 10077038994, 20154077988]

約数ペア:

[(1, 20154077988), (2, 10077038994), (3, 6718025996), (4, 5038519497), (6, 3359012998), (11, 1832188908), (12, 1679506499), (22, 916094454), (31, 650131548), (33, 610729636), (44, 458047227), (62, 325065774), (66, 305364818), (93, 216710516), (121, 166562628), (124, 162532887), (132, 152682409), (186, 108355258), (242, 83281314), (341, 59102868), (363, 55520876), (372, 54177629), (484, 41640657), (682, 29551434), (726, 27760438), (1023, 19700956), (1364, 14775717), (1452, 13880219), (2046, 9850478), (3751, 5372988), (4092, 4925239), (7502, 2686494), (11253, 1790996), (15004, 1343247), (22506, 895498), (45012, 447749)]