20280606780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{581773}}^1$

素因数の和:581875

約数の個数: 96

約数和(自身を含む): 65679957504

約数和(自身を除く): 45399350724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 996, 1162, 1245, 1660, 1743, 2324, 2490, 2905, 3486, 4980, 5810, 6972, 8715, 11620, 17430, 34860, 581773, 1163546, 1745319, 2327092, 2908865, 3490638, 4072411, 5817730, 6981276, 8144822, 8726595, 11635460, 12217233, 16289644, 17453190, 20362055, 24434466, 34906380, 40724110, 48287159, 48868932, 61086165, 81448220, 96574318, 122172330, 144861477, 193148636, 241435795, 244344660, 289722954, 338010113, 482871590, 579445908, 676020226, 724307385, 965743180, 1014030339, 1352040452, 1448614770, 1690050565, 2028060678, 2897229540, 3380101130, 4056121356, 5070151695, 6760202260, 10140303390, 20280606780]

約数ペア:

[(1, 20280606780), (2, 10140303390), (3, 6760202260), (4, 5070151695), (5, 4056121356), (6, 3380101130), (7, 2897229540), (10, 2028060678), (12, 1690050565), (14, 1448614770), (15, 1352040452), (20, 1014030339), (21, 965743180), (28, 724307385), (30, 676020226), (35, 579445908), (42, 482871590), (60, 338010113), (70, 289722954), (83, 244344660), (84, 241435795), (105, 193148636), (140, 144861477), (166, 122172330), (210, 96574318), (249, 81448220), (332, 61086165), (415, 48868932), (420, 48287159), (498, 40724110), (581, 34906380), (830, 24434466), (996, 20362055), (1162, 17453190), (1245, 16289644), (1660, 12217233), (1743, 11635460), (2324, 8726595), (2490, 8144822), (2905, 6981276), (3486, 5817730), (4980, 4072411), (5810, 3490638), (6972, 2908865), (8715, 2327092), (11620, 1745319), (17430, 1163546), (34860, 581773)]