20212282688

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1278611}}^1$

素因数の和:1278655

約数の個数: 56

約数和(自身を含む): 45467442720

約数和(自身を除く): 25255160032

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 1278611, 2557222, 5114444, 10228888, 16621943, 20457776, 24293609, 33243886, 40915552, 48587218, 66487772, 81831104, 97174436, 132975544, 194348872, 265951088, 315816917, 388697744, 531902176, 631633834, 777395488, 1063804352, 1263267668, 1554790976, 2526535336, 5053070672, 10106141344, 20212282688]

約数ペア:

[(1, 20212282688), (2, 10106141344), (4, 5053070672), (8, 2526535336), (13, 1554790976), (16, 1263267668), (19, 1063804352), (26, 777395488), (32, 631633834), (38, 531902176), (52, 388697744), (64, 315816917), (76, 265951088), (104, 194348872), (152, 132975544), (208, 97174436), (247, 81831104), (304, 66487772), (416, 48587218), (494, 40915552), (608, 33243886), (832, 24293609), (988, 20457776), (1216, 16621943), (1976, 10228888), (3952, 5114444), (7904, 2557222), (15808, 1278611)]