20163954100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1871}}^1\times {\mathrm{2293}}^1$

素因数の和:4225

約数の個数: 72

約数和(自身を含む): 44730137088

約数和(自身を除く): 24566182988

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 1871, 2293, 2350, 3742, 4586, 4700, 7484, 9172, 9355, 11465, 18710, 22930, 37420, 45860, 46775, 57325, 87937, 93550, 107771, 114650, 175874, 187100, 215542, 229300, 351748, 431084, 439685, 538855, 879370, 1077710, 1758740, 2155420, 2198425, 2694275, 4290203, 4396850, 5388550, 8580406, 8793700, 10777100, 17160812, 21451015, 42902030, 85804060, 107255075, 201639541, 214510150, 403279082, 429020300, 806558164, 1008197705, 2016395410, 4032790820, 5040988525, 10081977050, 20163954100]

約数ペア:

[(1, 20163954100), (2, 10081977050), (4, 5040988525), (5, 4032790820), (10, 2016395410), (20, 1008197705), (25, 806558164), (47, 429020300), (50, 403279082), (94, 214510150), (100, 201639541), (188, 107255075), (235, 85804060), (470, 42902030), (940, 21451015), (1175, 17160812), (1871, 10777100), (2293, 8793700), (2350, 8580406), (3742, 5388550), (4586, 4396850), (4700, 4290203), (7484, 2694275), (9172, 2198425), (9355, 2155420), (11465, 1758740), (18710, 1077710), (22930, 879370), (37420, 538855), (45860, 439685), (46775, 431084), (57325, 351748), (87937, 229300), (93550, 215542), (107771, 187100), (114650, 175874)]