20005229610

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1\times {\mathrm{1811}}^1$

素因数の和:2241

約数の個数: 128

約数和(自身を含む): 53918161920

約数和(自身を除く): 33912932310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 163, 251, 270, 326, 489, 502, 753, 815, 978, 1255, 1467, 1506, 1630, 1811, 2259, 2445, 2510, 2934, 3622, 3765, 4401, 4518, 4890, 5433, 6777, 7335, 7530, 8802, 9055, 10866, 11295, 13554, 14670, 16299, 18110, 22005, 22590, 27165, 32598, 33885, 40913, 44010, 48897, 54330, 67770, 81495, 81826, 97794, 122739, 162990, 204565, 244485, 245478, 295193, 368217, 409130, 454561, 488970, 590386, 613695, 736434, 885579, 909122, 1104651, 1227390, 1363683, 1475965, 1771158, 1841085, 2209302, 2272805, 2656737, 2727366, 2951930, 3682170, 4091049, 4427895, 4545610, 5313474, 5523255, 6818415, 7970211, 8182098, 8855790, 11046510, 12273147, 13283685, 13636830, 15940422, 20455245, 24546294, 26567370, 39851055, 40910490, 61365735, 74093443, 79702110, 122731470, 148186886, 222280329, 370467215, 444560658, 666840987, 740934430, 1111401645, 1333681974, 2000522961, 2222803290, 3334204935, 4001045922, 6668409870, 10002614805, 20005229610]

約数ペア:

[(1, 20005229610), (2, 10002614805), (3, 6668409870), (5, 4001045922), (6, 3334204935), (9, 2222803290), (10, 2000522961), (15, 1333681974), (18, 1111401645), (27, 740934430), (30, 666840987), (45, 444560658), (54, 370467215), (90, 222280329), (135, 148186886), (163, 122731470), (251, 79702110), (270, 74093443), (326, 61365735), (489, 40910490), (502, 39851055), (753, 26567370), (815, 24546294), (978, 20455245), (1255, 15940422), (1467, 13636830), (1506, 13283685), (1630, 12273147), (1811, 11046510), (2259, 8855790), (2445, 8182098), (2510, 7970211), (2934, 6818415), (3622, 5523255), (3765, 5313474), (4401, 4545610), (4518, 4427895), (4890, 4091049), (5433, 3682170), (6777, 2951930), (7335, 2727366), (7530, 2656737), (8802, 2272805), (9055, 2209302), (10866, 1841085), (11295, 1771158), (13554, 1475965), (14670, 1363683), (16299, 1227390), (18110, 1104651), (22005, 909122), (22590, 885579), (27165, 736434), (32598, 613695), (33885, 590386), (40913, 488970), (44010, 454561), (48897, 409130), (54330, 368217), (67770, 295193), (81495, 245478), (81826, 244485), (97794, 204565), (122739, 162990)]