20984902140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1\times {\mathrm{3853}}^1$

素因数の和:6019

約数の個数: 96

約数和(自身を含む): 60168278016

約数和(自身を除く): 39183375876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2111, 2580, 3853, 4222, 6333, 7706, 8444, 10555, 11559, 12666, 15412, 19265, 21110, 23118, 25332, 31665, 38530, 42220, 46236, 57795, 63330, 77060, 90773, 115590, 126660, 165679, 181546, 231180, 272319, 331358, 363092, 453865, 497037, 544638, 662716, 828395, 907730, 994074, 1089276, 1361595, 1656790, 1815460, 1988148, 2485185, 2723190, 3313580, 4970370, 5446380, 8133683, 9940740, 16267366, 24401049, 32534732, 40668415, 48802098, 81336830, 97604196, 122005245, 162673660, 244010490, 349748369, 488020980, 699496738, 1049245107, 1398993476, 1748741845, 2098490214, 3497483690, 4196980428, 5246225535, 6994967380, 10492451070, 20984902140]

約数ペア:

[(1, 20984902140), (2, 10492451070), (3, 6994967380), (4, 5246225535), (5, 4196980428), (6, 3497483690), (10, 2098490214), (12, 1748741845), (15, 1398993476), (20, 1049245107), (30, 699496738), (43, 488020980), (60, 349748369), (86, 244010490), (129, 162673660), (172, 122005245), (215, 97604196), (258, 81336830), (430, 48802098), (516, 40668415), (645, 32534732), (860, 24401049), (1290, 16267366), (2111, 9940740), (2580, 8133683), (3853, 5446380), (4222, 4970370), (6333, 3313580), (7706, 2723190), (8444, 2485185), (10555, 1988148), (11559, 1815460), (12666, 1656790), (15412, 1361595), (19265, 1089276), (21110, 994074), (23118, 907730), (25332, 828395), (31665, 662716), (38530, 544638), (42220, 497037), (46236, 453865), (57795, 363092), (63330, 331358), (77060, 272319), (90773, 231180), (115590, 181546), (126660, 165679)]