20218678074

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{8221}}^1$

素因数の和:8516

約数の個数: 96

約数和(自身を含む): 50792227200

約数和(自身を除く): 30573549126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 149, 262, 298, 393, 447, 786, 894, 917, 1043, 1179, 1341, 1834, 2086, 2358, 2682, 2751, 3129, 5502, 6258, 8221, 8253, 9387, 16442, 16506, 18774, 19519, 24663, 39038, 49326, 57547, 58557, 73989, 115094, 117114, 136633, 147978, 172641, 175671, 273266, 345282, 351342, 409899, 517923, 819798, 1035846, 1076951, 1224929, 1229697, 2153902, 2449858, 2459394, 3230853, 3674787, 6461706, 7349574, 7538657, 8574503, 9692559, 11024361, 15077314, 17149006, 19385118, 22048722, 22615971, 25723509, 45231942, 51447018, 67847913, 77170527, 135695826, 154341054, 160465699, 320931398, 481397097, 962794194, 1123259893, 1444191291, 2246519786, 2888382582, 3369779679, 6739559358, 10109339037, 20218678074]

約数ペア:

[(1, 20218678074), (2, 10109339037), (3, 6739559358), (6, 3369779679), (7, 2888382582), (9, 2246519786), (14, 1444191291), (18, 1123259893), (21, 962794194), (42, 481397097), (63, 320931398), (126, 160465699), (131, 154341054), (149, 135695826), (262, 77170527), (298, 67847913), (393, 51447018), (447, 45231942), (786, 25723509), (894, 22615971), (917, 22048722), (1043, 19385118), (1179, 17149006), (1341, 15077314), (1834, 11024361), (2086, 9692559), (2358, 8574503), (2682, 7538657), (2751, 7349574), (3129, 6461706), (5502, 3674787), (6258, 3230853), (8221, 2459394), (8253, 2449858), (9387, 2153902), (16442, 1229697), (16506, 1224929), (18774, 1076951), (19519, 1035846), (24663, 819798), (39038, 517923), (49326, 409899), (57547, 351342), (58557, 345282), (73989, 273266), (115094, 175671), (117114, 172641), (136633, 147978)]