20138180868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{137477}}^1$

素因数の和:137813

約数の個数: 72

約数和(自身を含む): 54996149208

約数和(自身を除く): 34857968340

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 313, 468, 626, 939, 1252, 1878, 2817, 3756, 4069, 5634, 8138, 11268, 12207, 16276, 24414, 36621, 48828, 73242, 137477, 146484, 274954, 412431, 549908, 824862, 1237293, 1649724, 1787201, 2474586, 3574402, 4949172, 5361603, 7148804, 10723206, 16084809, 21446412, 32169618, 43030301, 64339236, 86060602, 129090903, 172121204, 258181806, 387272709, 516363612, 559393913, 774545418, 1118787826, 1549090836, 1678181739, 2237575652, 3356363478, 5034545217, 6712726956, 10069090434, 20138180868]

約数ペア:

[(1, 20138180868), (2, 10069090434), (3, 6712726956), (4, 5034545217), (6, 3356363478), (9, 2237575652), (12, 1678181739), (13, 1549090836), (18, 1118787826), (26, 774545418), (36, 559393913), (39, 516363612), (52, 387272709), (78, 258181806), (117, 172121204), (156, 129090903), (234, 86060602), (313, 64339236), (468, 43030301), (626, 32169618), (939, 21446412), (1252, 16084809), (1878, 10723206), (2817, 7148804), (3756, 5361603), (4069, 4949172), (5634, 3574402), (8138, 2474586), (11268, 1787201), (12207, 1649724), (16276, 1237293), (24414, 824862), (36621, 549908), (48828, 412431), (73242, 274954), (137477, 146484)]