20011376632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1277}}^1\times {\mathrm{2843}}^1$

素因数の和:4192

約数の個数: 64

約数和(自身を含む): 41216726880

約数和(自身を除く): 21205350248

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1277, 1378, 2554, 2756, 2843, 5108, 5512, 5686, 10216, 11372, 16601, 22744, 33202, 36959, 66404, 67681, 73918, 132808, 135362, 147836, 150679, 270724, 295672, 301358, 541448, 602716, 879853, 1205432, 1759706, 1958827, 3519412, 3630511, 3917654, 7038824, 7261022, 7835308, 14522044, 15670616, 29044088, 47196643, 94393286, 188786572, 192417083, 377573144, 384834166, 769668332, 1539336664, 2501422079, 5002844158, 10005688316, 20011376632]

約数ペア:

[(1, 20011376632), (2, 10005688316), (4, 5002844158), (8, 2501422079), (13, 1539336664), (26, 769668332), (52, 384834166), (53, 377573144), (104, 192417083), (106, 188786572), (212, 94393286), (424, 47196643), (689, 29044088), (1277, 15670616), (1378, 14522044), (2554, 7835308), (2756, 7261022), (2843, 7038824), (5108, 3917654), (5512, 3630511), (5686, 3519412), (10216, 1958827), (11372, 1759706), (16601, 1205432), (22744, 879853), (33202, 602716), (36959, 541448), (66404, 301358), (67681, 295672), (73918, 270724), (132808, 150679), (135362, 147836)]