20074860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:424

約数の個数: 144

約数和(自身を含む): 68612544

約数和(自身を除く): 48537684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 373, 390, 414, 460, 468, 585, 598, 690, 746, 780, 828, 897, 1035, 1119, 1170, 1196, 1380, 1492, 1495, 1794, 1865, 2070, 2238, 2340, 2691, 2990, 3357, 3588, 3730, 4140, 4476, 4485, 4849, 5382, 5595, 5980, 6714, 7460, 8579, 8970, 9698, 10764, 11190, 13428, 13455, 14547, 16785, 17158, 17940, 19396, 22380, 24245, 25737, 26910, 29094, 33570, 34316, 42895, 43641, 48490, 51474, 53820, 58188, 67140, 72735, 77211, 85790, 87282, 96980, 102948, 111527, 128685, 145470, 154422, 171580, 174564, 218205, 223054, 257370, 290940, 308844, 334581, 386055, 436410, 446108, 514740, 557635, 669162, 772110, 872820, 1003743, 1115270, 1338324, 1544220, 1672905, 2007486, 2230540, 3345810, 4014972, 5018715, 6691620, 10037430, 20074860]

約数ペア:

[(1, 20074860), (2, 10037430), (3, 6691620), (4, 5018715), (5, 4014972), (6, 3345810), (9, 2230540), (10, 2007486), (12, 1672905), (13, 1544220), (15, 1338324), (18, 1115270), (20, 1003743), (23, 872820), (26, 772110), (30, 669162), (36, 557635), (39, 514740), (45, 446108), (46, 436410), (52, 386055), (60, 334581), (65, 308844), (69, 290940), (78, 257370), (90, 223054), (92, 218205), (115, 174564), (117, 171580), (130, 154422), (138, 145470), (156, 128685), (180, 111527), (195, 102948), (207, 96980), (230, 87282), (234, 85790), (260, 77211), (276, 72735), (299, 67140), (345, 58188), (373, 53820), (390, 51474), (414, 48490), (460, 43641), (468, 42895), (585, 34316), (598, 33570), (690, 29094), (746, 26910), (780, 25737), (828, 24245), (897, 22380), (1035, 19396), (1119, 17940), (1170, 17158), (1196, 16785), (1380, 14547), (1492, 13455), (1495, 13428), (1794, 11190), (1865, 10764), (2070, 9698), (2238, 8970), (2340, 8579), (2691, 7460), (2990, 6714), (3357, 5980), (3588, 5595), (3730, 5382), (4140, 4849), (4476, 4485)]