20125084140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{52027}}^1$

素因数の和:52356

約数の個数: 144

約数和(自身を含む): 69995557632

約数和(自身を除く): 49870473492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 307, 315, 420, 614, 630, 921, 1228, 1260, 1535, 1842, 2149, 2763, 3070, 3684, 4298, 4605, 5526, 6140, 6447, 8596, 9210, 10745, 11052, 12894, 13815, 18420, 19341, 21490, 25788, 27630, 32235, 38682, 42980, 52027, 55260, 64470, 77364, 96705, 104054, 128940, 156081, 193410, 208108, 260135, 312162, 364189, 386820, 468243, 520270, 624324, 728378, 780405, 936486, 1040540, 1092567, 1456756, 1560810, 1820945, 1872972, 2185134, 2341215, 3121620, 3277701, 3641890, 4370268, 4682430, 5462835, 6555402, 7283780, 9364860, 10925670, 13110804, 15972289, 16388505, 21851340, 31944578, 32777010, 47916867, 63889156, 65554020, 79861445, 95833734, 111806023, 143750601, 159722890, 191667468, 223612046, 239584335, 287501202, 319445780, 335418069, 447224092, 479168670, 559030115, 575002404, 670836138, 718753005, 958337340, 1006254207, 1118060230, 1341672276, 1437506010, 1677090345, 2012508414, 2236120460, 2875012020, 3354180690, 4025016828, 5031271035, 6708361380, 10062542070, 20125084140]

約数ペア:

[(1, 20125084140), (2, 10062542070), (3, 6708361380), (4, 5031271035), (5, 4025016828), (6, 3354180690), (7, 2875012020), (9, 2236120460), (10, 2012508414), (12, 1677090345), (14, 1437506010), (15, 1341672276), (18, 1118060230), (20, 1006254207), (21, 958337340), (28, 718753005), (30, 670836138), (35, 575002404), (36, 559030115), (42, 479168670), (45, 447224092), (60, 335418069), (63, 319445780), (70, 287501202), (84, 239584335), (90, 223612046), (105, 191667468), (126, 159722890), (140, 143750601), (180, 111806023), (210, 95833734), (252, 79861445), (307, 65554020), (315, 63889156), (420, 47916867), (614, 32777010), (630, 31944578), (921, 21851340), (1228, 16388505), (1260, 15972289), (1535, 13110804), (1842, 10925670), (2149, 9364860), (2763, 7283780), (3070, 6555402), (3684, 5462835), (4298, 4682430), (4605, 4370268), (5526, 3641890), (6140, 3277701), (6447, 3121620), (8596, 2341215), (9210, 2185134), (10745, 1872972), (11052, 1820945), (12894, 1560810), (13815, 1456756), (18420, 1092567), (19341, 1040540), (21490, 936486), (25788, 780405), (27630, 728378), (32235, 624324), (38682, 520270), (42980, 468243), (52027, 386820), (55260, 364189), (64470, 312162), (77364, 260135), (96705, 208108), (104054, 193410), (128940, 156081)]