20803405080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1\times {\mathrm{5701}}^1$

素因数の和:6409

約数の個数: 128

約数和(自身を含む): 63847802880

約数和(自身を除く): 43044397800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 647, 705, 940, 1128, 1294, 1410, 1880, 1941, 2588, 2820, 3235, 3882, 5176, 5640, 5701, 6470, 7764, 9705, 11402, 12940, 15528, 17103, 19410, 22804, 25880, 28505, 30409, 34206, 38820, 45608, 57010, 60818, 68412, 77640, 85515, 91227, 114020, 121636, 136824, 152045, 171030, 182454, 228040, 243272, 267947, 304090, 342060, 364908, 456135, 535894, 608180, 684120, 729816, 803841, 912270, 1071788, 1216360, 1339735, 1607682, 1824540, 2143576, 2679470, 3215364, 3649080, 3688547, 4019205, 5358940, 6430728, 7377094, 8038410, 10717880, 11065641, 14754188, 16076820, 18442735, 22131282, 29508376, 32153640, 36885470, 44262564, 55328205, 73770940, 88525128, 110656410, 147541880, 173361709, 221312820, 346723418, 442625640, 520085127, 693446836, 866808545, 1040170254, 1386893672, 1733617090, 2080340508, 2600425635, 3467234180, 4160681016, 5200851270, 6934468360, 10401702540, 20803405080]

約数ペア:

[(1, 20803405080), (2, 10401702540), (3, 6934468360), (4, 5200851270), (5, 4160681016), (6, 3467234180), (8, 2600425635), (10, 2080340508), (12, 1733617090), (15, 1386893672), (20, 1040170254), (24, 866808545), (30, 693446836), (40, 520085127), (47, 442625640), (60, 346723418), (94, 221312820), (120, 173361709), (141, 147541880), (188, 110656410), (235, 88525128), (282, 73770940), (376, 55328205), (470, 44262564), (564, 36885470), (647, 32153640), (705, 29508376), (940, 22131282), (1128, 18442735), (1294, 16076820), (1410, 14754188), (1880, 11065641), (1941, 10717880), (2588, 8038410), (2820, 7377094), (3235, 6430728), (3882, 5358940), (5176, 4019205), (5640, 3688547), (5701, 3649080), (6470, 3215364), (7764, 2679470), (9705, 2143576), (11402, 1824540), (12940, 1607682), (15528, 1339735), (17103, 1216360), (19410, 1071788), (22804, 912270), (25880, 803841), (28505, 729816), (30409, 684120), (34206, 608180), (38820, 535894), (45608, 456135), (57010, 364908), (60818, 342060), (68412, 304090), (77640, 267947), (85515, 243272), (91227, 228040), (114020, 182454), (121636, 171030), (136824, 152045)]