20171684704

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{2539}}^1$

素因数の和:2820

約数の個数: 96

約数和(自身を含む): 42629328000

約数和(自身を除く): 22457643296

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 73, 76, 146, 152, 179, 292, 304, 358, 584, 608, 716, 1168, 1387, 1432, 2336, 2539, 2774, 2864, 3401, 5078, 5548, 5728, 6802, 10156, 11096, 13067, 13604, 20312, 22192, 26134, 27208, 40624, 44384, 48241, 52268, 54416, 81248, 96482, 104536, 108832, 185347, 192964, 209072, 248273, 370694, 385928, 418144, 454481, 496546, 741388, 771856, 908962, 993092, 1482776, 1543712, 1817924, 1986184, 2965552, 3521593, 3635848, 3972368, 5931104, 7043186, 7271696, 7944736, 8635139, 14086372, 14543392, 17270278, 28172744, 33177113, 34540556, 56345488, 66354226, 69081112, 112690976, 132708452, 138162224, 265416904, 276324448, 530833808, 630365147, 1061667616, 1260730294, 2521460588, 5042921176, 10085842352, 20171684704]

約数ペア:

[(1, 20171684704), (2, 10085842352), (4, 5042921176), (8, 2521460588), (16, 1260730294), (19, 1061667616), (32, 630365147), (38, 530833808), (73, 276324448), (76, 265416904), (146, 138162224), (152, 132708452), (179, 112690976), (292, 69081112), (304, 66354226), (358, 56345488), (584, 34540556), (608, 33177113), (716, 28172744), (1168, 17270278), (1387, 14543392), (1432, 14086372), (2336, 8635139), (2539, 7944736), (2774, 7271696), (2864, 7043186), (3401, 5931104), (5078, 3972368), (5548, 3635848), (5728, 3521593), (6802, 2965552), (10156, 1986184), (11096, 1817924), (13067, 1543712), (13604, 1482776), (20312, 993092), (22192, 908962), (26134, 771856), (27208, 741388), (40624, 496546), (44384, 454481), (48241, 418144), (52268, 385928), (54416, 370694), (81248, 248273), (96482, 209072), (104536, 192964), (108832, 185347)]