20487788490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1151}}^1\times {\mathrm{45641}}^1$

素因数の和:46815

約数の個数: 64

約数和(自身を含む): 53000220672

約数和(自身を除く): 32512432182

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1151, 2302, 3453, 5755, 6906, 11510, 14963, 17265, 29926, 34530, 44889, 45641, 74815, 89778, 91282, 136923, 149630, 224445, 228205, 273846, 448890, 456410, 593333, 684615, 1186666, 1369230, 1779999, 2966665, 3559998, 5933330, 8899995, 17799990, 52532791, 105065582, 157598373, 262663955, 315196746, 525327910, 682926283, 787991865, 1365852566, 1575983730, 2048778849, 3414631415, 4097557698, 6829262830, 10243894245, 20487788490]

約数ペア:

[(1, 20487788490), (2, 10243894245), (3, 6829262830), (5, 4097557698), (6, 3414631415), (10, 2048778849), (13, 1575983730), (15, 1365852566), (26, 787991865), (30, 682926283), (39, 525327910), (65, 315196746), (78, 262663955), (130, 157598373), (195, 105065582), (390, 52532791), (1151, 17799990), (2302, 8899995), (3453, 5933330), (5755, 3559998), (6906, 2966665), (11510, 1779999), (14963, 1369230), (17265, 1186666), (29926, 684615), (34530, 593333), (44889, 456410), (45641, 448890), (74815, 273846), (89778, 228205), (91282, 224445), (136923, 149630)]