20398909560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{9923}}^1$

素因数の和:10437

約数の個数: 128

約数和(自身を含む): 62992788480

約数和(自身を除く): 42593878920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 463, 555, 740, 888, 926, 1110, 1389, 1480, 1852, 2220, 2315, 2778, 3704, 4440, 4630, 5556, 6945, 9260, 9923, 11112, 13890, 17131, 18520, 19846, 27780, 29769, 34262, 39692, 49615, 51393, 55560, 59538, 68524, 79384, 85655, 99230, 102786, 119076, 137048, 148845, 171310, 198460, 205572, 238152, 256965, 297690, 342620, 367151, 396920, 411144, 513930, 595380, 685240, 734302, 1027860, 1101453, 1190760, 1468604, 1835755, 2055720, 2202906, 2937208, 3671510, 4405812, 4594349, 5507265, 7343020, 8811624, 9188698, 11014530, 13783047, 14686040, 18377396, 22029060, 22971745, 27566094, 36754792, 44058120, 45943490, 55132188, 68915235, 91886980, 110264376, 137830470, 169990913, 183773960, 275660940, 339981826, 509972739, 551321880, 679963652, 849954565, 1019945478, 1359927304, 1699909130, 2039890956, 2549863695, 3399818260, 4079781912, 5099727390, 6799636520, 10199454780, 20398909560]

約数ペア:

[(1, 20398909560), (2, 10199454780), (3, 6799636520), (4, 5099727390), (5, 4079781912), (6, 3399818260), (8, 2549863695), (10, 2039890956), (12, 1699909130), (15, 1359927304), (20, 1019945478), (24, 849954565), (30, 679963652), (37, 551321880), (40, 509972739), (60, 339981826), (74, 275660940), (111, 183773960), (120, 169990913), (148, 137830470), (185, 110264376), (222, 91886980), (296, 68915235), (370, 55132188), (444, 45943490), (463, 44058120), (555, 36754792), (740, 27566094), (888, 22971745), (926, 22029060), (1110, 18377396), (1389, 14686040), (1480, 13783047), (1852, 11014530), (2220, 9188698), (2315, 8811624), (2778, 7343020), (3704, 5507265), (4440, 4594349), (4630, 4405812), (5556, 3671510), (6945, 2937208), (9260, 2202906), (9923, 2055720), (11112, 1835755), (13890, 1468604), (17131, 1190760), (18520, 1101453), (19846, 1027860), (27780, 734302), (29769, 685240), (34262, 595380), (39692, 513930), (49615, 411144), (51393, 396920), (55560, 367151), (59538, 342620), (68524, 297690), (79384, 256965), (85655, 238152), (99230, 205572), (102786, 198460), (119076, 171310), (137048, 148845)]