20618380440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2727299}}^1$

素因数の和:2727326

約数の個数: 128

約数和(自身を含む): 78546240000

約数和(自身を除く): 57927859560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 2727299, 5454598, 8181897, 10909196, 13636495, 16363794, 19091093, 21818392, 24545691, 27272990, 32727588, 38182186, 40909485, 49091382, 54545980, 57273279, 65455176, 73637073, 76364372, 81818970, 95455465, 98182764, 109091960, 114546558, 122728455, 147274146, 152728744, 163637940, 171819837, 190910930, 196365528, 229093116, 245456910, 286366395, 294548292, 327275880, 343639674, 368185365, 381821860, 458186232, 490913820, 515459511, 572732790, 589096584, 687279348, 736370730, 763643720, 859099185, 981827640, 1030919022, 1145465580, 1374558696, 1472741460, 1718198370, 2061838044, 2290931160, 2577297555, 2945482920, 3436396740, 4123676088, 5154595110, 6872793480, 10309190220, 20618380440]

約数ペア:

[(1, 20618380440), (2, 10309190220), (3, 6872793480), (4, 5154595110), (5, 4123676088), (6, 3436396740), (7, 2945482920), (8, 2577297555), (9, 2290931160), (10, 2061838044), (12, 1718198370), (14, 1472741460), (15, 1374558696), (18, 1145465580), (20, 1030919022), (21, 981827640), (24, 859099185), (27, 763643720), (28, 736370730), (30, 687279348), (35, 589096584), (36, 572732790), (40, 515459511), (42, 490913820), (45, 458186232), (54, 381821860), (56, 368185365), (60, 343639674), (63, 327275880), (70, 294548292), (72, 286366395), (84, 245456910), (90, 229093116), (105, 196365528), (108, 190910930), (120, 171819837), (126, 163637940), (135, 152728744), (140, 147274146), (168, 122728455), (180, 114546558), (189, 109091960), (210, 98182764), (216, 95455465), (252, 81818970), (270, 76364372), (280, 73637073), (315, 65455176), (360, 57273279), (378, 54545980), (420, 49091382), (504, 40909485), (540, 38182186), (630, 32727588), (756, 27272990), (840, 24545691), (945, 21818392), (1080, 19091093), (1260, 16363794), (1512, 13636495), (1890, 10909196), (2520, 8181897), (3780, 5454598), (7560, 2727299)]