20163437294

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{20681}}^1$

素因数の和:21201

約数の個数: 64

約数和(自身を含む): 40694234112

約数和(自身を除く): 20530796818

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 487, 974, 1001, 2002, 3409, 5357, 6331, 6818, 10714, 12662, 20681, 37499, 41362, 44317, 69641, 74998, 88634, 139282, 144767, 227491, 268853, 289534, 454982, 487487, 537706, 974974, 1592437, 1881971, 2957383, 3184874, 3763942, 5914766, 10071647, 20143294, 20701681, 41403362, 70501529, 110788117, 130931411, 141003058, 221576234, 261862822, 775516819, 916519877, 1440245521, 1551033638, 1833039754, 2880491042, 10081718647, 20163437294]

約数ペア:

[(1, 20163437294), (2, 10081718647), (7, 2880491042), (11, 1833039754), (13, 1551033638), (14, 1440245521), (22, 916519877), (26, 775516819), (77, 261862822), (91, 221576234), (143, 141003058), (154, 130931411), (182, 110788117), (286, 70501529), (487, 41403362), (974, 20701681), (1001, 20143294), (2002, 10071647), (3409, 5914766), (5357, 3763942), (6331, 3184874), (6818, 2957383), (10714, 1881971), (12662, 1592437), (20681, 974974), (37499, 537706), (41362, 487487), (44317, 454982), (69641, 289534), (74998, 268853), (88634, 227491), (139282, 144767)]