20017504440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{5507}}^1$

素因数の和:5986

約数の個数: 192

約数和(自身を含む): 68052441600

約数和(自身を除く): 48034937160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 439, 460, 552, 690, 828, 878, 920, 1035, 1317, 1380, 1656, 1756, 2070, 2195, 2634, 2760, 3512, 3951, 4140, 4390, 5268, 5507, 6585, 7902, 8280, 8780, 10097, 10536, 11014, 13170, 15804, 16521, 17560, 19755, 20194, 22028, 26340, 27535, 30291, 31608, 33042, 39510, 40388, 44056, 49563, 50485, 52680, 55070, 60582, 66084, 79020, 80776, 82605, 90873, 99126, 100970, 110140, 121164, 126661, 132168, 151455, 158040, 165210, 181746, 198252, 201940, 220280, 242328, 247815, 253322, 302910, 330420, 363492, 379983, 396504, 403880, 454365, 495630, 506644, 605820, 633305, 660840, 726984, 759966, 908730, 991260, 1013288, 1139949, 1211640, 1266610, 1519932, 1817460, 1899915, 1982520, 2279898, 2417573, 2533220, 3039864, 3634920, 3799830, 4559796, 4835146, 5066440, 5699745, 7252719, 7599660, 9119592, 9670292, 11399490, 12087865, 14505438, 15199320, 19340584, 21758157, 22798980, 24175730, 29010876, 36263595, 43516314, 45597960, 48351460, 55604179, 58021752, 72527190, 87032628, 96702920, 108790785, 111208358, 145054380, 166812537, 174065256, 217581570, 222416716, 278020895, 290108760, 333625074, 435163140, 444833432, 500437611, 556041790, 667250148, 834062685, 870326280, 1000875222, 1112083580, 1334500296, 1668125370, 2001750444, 2224167160, 2502188055, 3336250740, 4003500888, 5004376110, 6672501480, 10008752220, 20017504440]

約数ペア:

[(1, 20017504440), (2, 10008752220), (3, 6672501480), (4, 5004376110), (5, 4003500888), (6, 3336250740), (8, 2502188055), (9, 2224167160), (10, 2001750444), (12, 1668125370), (15, 1334500296), (18, 1112083580), (20, 1000875222), (23, 870326280), (24, 834062685), (30, 667250148), (36, 556041790), (40, 500437611), (45, 444833432), (46, 435163140), (60, 333625074), (69, 290108760), (72, 278020895), (90, 222416716), (92, 217581570), (115, 174065256), (120, 166812537), (138, 145054380), (180, 111208358), (184, 108790785), (207, 96702920), (230, 87032628), (276, 72527190), (345, 58021752), (360, 55604179), (414, 48351460), (439, 45597960), (460, 43516314), (552, 36263595), (690, 29010876), (828, 24175730), (878, 22798980), (920, 21758157), (1035, 19340584), (1317, 15199320), (1380, 14505438), (1656, 12087865), (1756, 11399490), (2070, 9670292), (2195, 9119592), (2634, 7599660), (2760, 7252719), (3512, 5699745), (3951, 5066440), (4140, 4835146), (4390, 4559796), (5268, 3799830), (5507, 3634920), (6585, 3039864), (7902, 2533220), (8280, 2417573), (8780, 2279898), (10097, 1982520), (10536, 1899915), (11014, 1817460), (13170, 1519932), (15804, 1266610), (16521, 1211640), (17560, 1139949), (19755, 1013288), (20194, 991260), (22028, 908730), (26340, 759966), (27535, 726984), (30291, 660840), (31608, 633305), (33042, 605820), (39510, 506644), (40388, 495630), (44056, 454365), (49563, 403880), (50485, 396504), (52680, 379983), (55070, 363492), (60582, 330420), (66084, 302910), (79020, 253322), (80776, 247815), (82605, 242328), (90873, 220280), (99126, 201940), (100970, 198252), (110140, 181746), (121164, 165210), (126661, 158040), (132168, 151455)]