20218179927

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{6661}}^1$

素因数の和:6844

約数の個数: 64

約数和(自身を含む): 31926435840

約数和(自身を除く): 11708255913

約数列:

[1, 3, 11, 19, 33, 47, 57, 103, 141, 209, 309, 517, 627, 893, 1133, 1551, 1957, 2679, 3399, 4841, 5871, 6661, 9823, 14523, 19983, 21527, 29469, 53251, 64581, 73271, 91979, 126559, 159753, 219813, 275937, 313067, 379677, 686083, 939201, 1011769, 1392149, 2058249, 3035307, 3443737, 4176447, 5948273, 7546913, 10331211, 13035577, 17844819, 22640739, 32245901, 39106731, 65431003, 96737703, 143391347, 196293009, 354704911, 430174041, 612672119, 1064114733, 1838016357, 6739393309, 20218179927]

約数ペア:

[(1, 20218179927), (3, 6739393309), (11, 1838016357), (19, 1064114733), (33, 612672119), (47, 430174041), (57, 354704911), (103, 196293009), (141, 143391347), (209, 96737703), (309, 65431003), (517, 39106731), (627, 32245901), (893, 22640739), (1133, 17844819), (1551, 13035577), (1957, 10331211), (2679, 7546913), (3399, 5948273), (4841, 4176447), (5871, 3443737), (6661, 3035307), (9823, 2058249), (14523, 1392149), (19983, 1011769), (21527, 939201), (29469, 686083), (53251, 379677), (64581, 313067), (73271, 275937), (91979, 219813), (126559, 159753)]