20985153609

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{577}}^1$

素因数の和:995

約数の個数: 96

約数和(自身を含む): 35221118976

約数和(自身を除く): 14235965367

約数列:

[1, 3, 7, 21, 23, 31, 49, 69, 93, 147, 161, 217, 347, 483, 577, 651, 713, 1041, 1127, 1519, 1731, 2139, 2429, 3381, 4039, 4557, 4991, 7287, 7981, 10757, 12117, 13271, 14973, 17003, 17887, 23943, 28273, 32271, 34937, 39813, 51009, 53661, 55867, 75299, 84819, 92897, 104811, 125209, 167601, 200219, 225897, 247411, 278691, 375627, 391069, 411401, 527093, 600657, 650279, 742233, 876463, 1173207, 1234203, 1401533, 1581279, 1731877, 1950837, 2629389, 2879807, 4204599, 4605037, 5195631, 6206789, 8639421, 9810731, 12123139, 13815111, 18620367, 20158649, 29432193, 32235259, 36369417, 43447523, 60475947, 96705777, 130342569, 142756147, 225646813, 304132661, 428268441, 676940439, 912397983, 999293029, 2997879087, 6995051203, 20985153609]

約数ペア:

[(1, 20985153609), (3, 6995051203), (7, 2997879087), (21, 999293029), (23, 912397983), (31, 676940439), (49, 428268441), (69, 304132661), (93, 225646813), (147, 142756147), (161, 130342569), (217, 96705777), (347, 60475947), (483, 43447523), (577, 36369417), (651, 32235259), (713, 29432193), (1041, 20158649), (1127, 18620367), (1519, 13815111), (1731, 12123139), (2139, 9810731), (2429, 8639421), (3381, 6206789), (4039, 5195631), (4557, 4605037), (4991, 4204599), (7287, 2879807), (7981, 2629389), (10757, 1950837), (12117, 1731877), (13271, 1581279), (14973, 1401533), (17003, 1234203), (17887, 1173207), (23943, 876463), (28273, 742233), (32271, 650279), (34937, 600657), (39813, 527093), (51009, 411401), (53661, 391069), (55867, 375627), (75299, 278691), (84819, 247411), (92897, 225897), (104811, 200219), (125209, 167601)]