20120567764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{281}}^1\times {\mathrm{619}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 39066249600

約数和(自身を除く): 18945681836

約数列:

[1, 2, 4, 11, 22, 44, 121, 239, 242, 281, 478, 484, 562, 619, 956, 1124, 1238, 2476, 2629, 3091, 5258, 6182, 6809, 10516, 12364, 13618, 27236, 28919, 34001, 57838, 67159, 68002, 74899, 115676, 134318, 136004, 147941, 149798, 173939, 268636, 295882, 299596, 347878, 591764, 695756, 738749, 1477498, 1627351, 1913329, 2954996, 3254702, 3826658, 6509404, 7653316, 8126239, 16252478, 17900861, 21046619, 32504956, 35801722, 41571421, 42093238, 71603444, 83142842, 84186476, 166285684, 457285631, 914571262, 1829142524, 5030141941, 10060283882, 20120567764]

約数ペア:

[(1, 20120567764), (2, 10060283882), (4, 5030141941), (11, 1829142524), (22, 914571262), (44, 457285631), (121, 166285684), (239, 84186476), (242, 83142842), (281, 71603444), (478, 42093238), (484, 41571421), (562, 35801722), (619, 32504956), (956, 21046619), (1124, 17900861), (1238, 16252478), (2476, 8126239), (2629, 7653316), (3091, 6509404), (5258, 3826658), (6182, 3254702), (6809, 2954996), (10516, 1913329), (12364, 1627351), (13618, 1477498), (27236, 738749), (28919, 695756), (34001, 591764), (57838, 347878), (67159, 299596), (68002, 295882), (74899, 268636), (115676, 173939), (134318, 149798), (136004, 147941)]