20715440310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{12437}}^1$

素因数の和:12683

約数の個数: 128

約数和(自身を含む): 57314304000

約数和(自身を除く): 36598863690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 199, 270, 279, 310, 398, 465, 558, 597, 837, 930, 995, 1194, 1395, 1674, 1791, 1990, 2790, 2985, 3582, 4185, 5373, 5970, 6169, 8370, 8955, 10746, 12338, 12437, 17910, 18507, 24874, 26865, 30845, 37014, 37311, 53730, 55521, 61690, 62185, 74622, 92535, 111042, 111933, 124370, 166563, 185070, 186555, 223866, 277605, 333126, 335799, 373110, 385547, 555210, 559665, 671598, 771094, 832815, 1119330, 1156641, 1665630, 1678995, 1927735, 2313282, 2474963, 3357990, 3469923, 3855470, 4949926, 5783205, 6939846, 7424889, 10409769, 11566410, 12374815, 14849778, 17349615, 20819538, 22274667, 24749630, 34699230, 37124445, 44549334, 52048845, 66824001, 74248890, 76723853, 104097690, 111373335, 133648002, 153447706, 222746670, 230171559, 334120005, 383619265, 460343118, 668240010, 690514677, 767238530, 1150857795, 1381029354, 2071544031, 2301715590, 3452573385, 4143088062, 6905146770, 10357720155, 20715440310]

約数ペア:

[(1, 20715440310), (2, 10357720155), (3, 6905146770), (5, 4143088062), (6, 3452573385), (9, 2301715590), (10, 2071544031), (15, 1381029354), (18, 1150857795), (27, 767238530), (30, 690514677), (31, 668240010), (45, 460343118), (54, 383619265), (62, 334120005), (90, 230171559), (93, 222746670), (135, 153447706), (155, 133648002), (186, 111373335), (199, 104097690), (270, 76723853), (279, 74248890), (310, 66824001), (398, 52048845), (465, 44549334), (558, 37124445), (597, 34699230), (837, 24749630), (930, 22274667), (995, 20819538), (1194, 17349615), (1395, 14849778), (1674, 12374815), (1791, 11566410), (1990, 10409769), (2790, 7424889), (2985, 6939846), (3582, 5783205), (4185, 4949926), (5373, 3855470), (5970, 3469923), (6169, 3357990), (8370, 2474963), (8955, 2313282), (10746, 1927735), (12338, 1678995), (12437, 1665630), (17910, 1156641), (18507, 1119330), (24874, 832815), (26865, 771094), (30845, 671598), (37014, 559665), (37311, 555210), (53730, 385547), (55521, 373110), (61690, 335799), (62185, 333126), (74622, 277605), (92535, 223866), (111042, 186555), (111933, 185070), (124370, 166563)]